Lesson 35 - Get Compute Auth Token Working

This commit is contained in:
Norman Lansing
2026-02-28 12:32:28 -05:00
parent 1d477ee42a
commit 4fde462bce
7743 changed files with 1397833 additions and 18 deletions

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.deps
.dirstamp
*.o
*.obj
*.exe
*_test
*.ilk
*.manifest
*.pdb
*.tds
*.winmd

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AUTOMAKE_OPTIONS = subdir-objects
if SEPARATE_COMPILATION
noinst_LIBRARIES = libasio.a
libasio_a_SOURCES = ../asio.cpp
if HAVE_OPENSSL
libasio_a_SOURCES += ../asio_ssl.cpp
endif
LDADD = libasio.a
endif
SUBDIRS = properties
check_PROGRAMS = \
unit/associated_allocator \
unit/associated_cancellation_slot \
unit/associated_executor \
unit/associator \
unit/async_result \
unit/awaitable \
unit/basic_datagram_socket \
unit/basic_deadline_timer \
unit/basic_raw_socket \
unit/basic_seq_packet_socket \
unit/basic_serial_port \
unit/basic_signal_set \
unit/basic_socket \
unit/basic_socket_acceptor \
unit/basic_stream_socket \
unit/basic_streambuf \
unit/basic_waitable_timer \
unit/bind_cancellation_slot \
unit/bind_executor \
unit/buffered_read_stream \
unit/buffered_stream \
unit/buffered_write_stream \
unit/buffer \
unit/buffers_iterator \
unit/cancellation_signal \
unit/cancellation_state \
unit/cancellation_type \
unit/co_spawn \
unit/completion_condition \
unit/compose \
unit/connect \
unit/coroutine \
unit/deadline_timer \
unit/defer \
unit/detached \
unit/dispatch \
unit/error \
unit/execution/any_executor \
unit/execution/blocking \
unit/execution/blocking_adaptation \
unit/execution/bulk_execute \
unit/execution/bulk_guarantee \
unit/execution/connect \
unit/execution/context_as \
unit/execution/execute \
unit/execution/executor \
unit/execution/invocable_archetype \
unit/execution/mapping \
unit/execution/operation_state \
unit/execution/outstanding_work \
unit/execution/prefer_only \
unit/execution/receiver \
unit/execution/relationship \
unit/execution/schedule \
unit/execution/scheduler \
unit/execution/sender \
unit/execution/set_done \
unit/execution/set_error \
unit/execution/set_value \
unit/execution/start \
unit/execution/submit \
unit/execution_context \
unit/executor \
unit/executor_work_guard \
unit/generic/basic_endpoint \
unit/generic/datagram_protocol \
unit/generic/raw_protocol \
unit/generic/seq_packet_protocol \
unit/generic/stream_protocol \
unit/high_resolution_timer \
unit/io_context \
unit/io_context_strand \
unit/ip/address \
unit/ip/address_v4 \
unit/ip/address_v4_iterator \
unit/ip/address_v4_range \
unit/ip/address_v6 \
unit/ip/address_v6_iterator \
unit/ip/address_v6_range \
unit/ip/basic_endpoint \
unit/ip/basic_resolver \
unit/ip/basic_resolver_entry \
unit/ip/basic_resolver_iterator \
unit/ip/basic_resolver_query \
unit/ip/host_name \
unit/ip/icmp \
unit/ip/multicast \
unit/ip/network_v4 \
unit/ip/network_v6 \
unit/ip/resolver_query_base \
unit/ip/tcp \
unit/ip/udp \
unit/ip/unicast \
unit/ip/v6_only \
unit/is_read_buffered \
unit/is_write_buffered \
unit/local/basic_endpoint \
unit/local/connect_pair \
unit/local/datagram_protocol \
unit/local/stream_protocol \
unit/packaged_task \
unit/placeholders \
unit/posix/basic_descriptor \
unit/posix/basic_stream_descriptor \
unit/posix/descriptor \
unit/posix/descriptor_base \
unit/posix/stream_descriptor \
unit/post \
unit/read \
unit/read_at \
unit/read_until \
unit/redirect_error \
unit/serial_port \
unit/serial_port_base \
unit/signal_set \
unit/socket_base \
unit/static_thread_pool \
unit/steady_timer \
unit/strand \
unit/streambuf \
unit/system_context \
unit/system_executor \
unit/system_timer \
unit/this_coro \
unit/thread \
unit/thread_pool \
unit/time_traits \
unit/ts/buffer \
unit/ts/executor \
unit/ts/internet \
unit/ts/io_context \
unit/ts/net \
unit/ts/netfwd \
unit/ts/socket \
unit/ts/timer \
unit/use_awaitable \
unit/use_future \
unit/uses_executor \
unit/wait_traits \
unit/windows/basic_object_handle \
unit/windows/basic_overlapped_handle \
unit/windows/basic_random_access_handle \
unit/windows/basic_stream_handle \
unit/windows/object_handle \
unit/windows/overlapped_handle \
unit/windows/overlapped_ptr \
unit/windows/random_access_handle \
unit/windows/stream_handle \
unit/write \
unit/write_at
if !STANDALONE
noinst_PROGRAMS = \
latency/tcp_client \
latency/tcp_server \
latency/udp_client \
latency/udp_server \
performance/client \
performance/server
endif
if HAVE_CXX14
check_PROGRAMS += \
unit/experimental/deferred
endif
if HAVE_CXX20
check_PROGRAMS += \
unit/experimental/promise
if HAVE_COROUTINES
check_PROGRAMS += \
unit/experimental/awaitable_operators \
unit/experimental/coro/cancel \
unit/experimental/coro/exception \
unit/experimental/coro/partial \
unit/experimental/coro/simple_test \
unit/experimental/coro/stack_test \
unit/experimental/coro/use_coro
endif
endif
if HAVE_OPENSSL
check_PROGRAMS += \
unit/ssl/context_base \
unit/ssl/context \
unit/ssl/error \
unit/ssl/host_name_verification \
unit/ssl/rfc2818_verification \
unit/ssl/stream_base \
unit/ssl/stream
endif
TESTS = \
unit/associated_allocator \
unit/associated_cancellation_slot \
unit/associated_executor \
unit/associator \
unit/async_result \
unit/awaitable \
unit/basic_datagram_socket \
unit/basic_deadline_timer \
unit/basic_raw_socket \
unit/basic_seq_packet_socket \
unit/basic_serial_port \
unit/basic_signal_set \
unit/basic_socket \
unit/basic_socket_acceptor \
unit/basic_stream_socket \
unit/basic_streambuf \
unit/basic_waitable_timer \
unit/bind_cancellation_slot \
unit/bind_executor \
unit/buffered_read_stream \
unit/buffered_stream \
unit/buffered_write_stream \
unit/buffer \
unit/buffers_iterator \
unit/cancellation_signal \
unit/cancellation_state \
unit/cancellation_type \
unit/co_spawn \
unit/completion_condition \
unit/compose \
unit/connect \
unit/deadline_timer \
unit/defer \
unit/detached \
unit/dispatch \
unit/error \
unit/execution/any_executor \
unit/execution/blocking \
unit/execution/blocking_adaptation \
unit/execution/bulk_execute \
unit/execution/bulk_guarantee \
unit/execution/connect \
unit/execution/context_as \
unit/execution/execute \
unit/execution/executor \
unit/execution/invocable_archetype \
unit/execution/mapping \
unit/execution/operation_state \
unit/execution/outstanding_work \
unit/execution/prefer_only \
unit/execution/receiver \
unit/execution/relationship \
unit/execution/schedule \
unit/execution/scheduler \
unit/execution/sender \
unit/execution/set_done \
unit/execution/set_error \
unit/execution/set_value \
unit/execution/start \
unit/execution/submit \
unit/execution_context \
unit/executor \
unit/executor_work_guard \
unit/high_resolution_timer \
unit/io_context \
unit/io_context_strand \
unit/ip/address \
unit/ip/address_v4 \
unit/ip/address_v4_iterator \
unit/ip/address_v4_range \
unit/ip/address_v6 \
unit/ip/address_v6_iterator \
unit/ip/address_v6_range \
unit/ip/basic_endpoint \
unit/ip/basic_resolver \
unit/ip/basic_resolver_entry \
unit/ip/basic_resolver_iterator \
unit/ip/basic_resolver_query \
unit/ip/host_name \
unit/ip/icmp \
unit/ip/multicast \
unit/ip/network_v4 \
unit/ip/network_v6 \
unit/ip/resolver_query_base \
unit/ip/tcp \
unit/ip/udp \
unit/ip/unicast \
unit/ip/v6_only \
unit/is_read_buffered \
unit/is_write_buffered \
unit/local/basic_endpoint \
unit/local/connect_pair \
unit/local/datagram_protocol \
unit/local/stream_protocol \
unit/packaged_task \
unit/placeholders \
unit/posix/basic_descriptor\
unit/posix/basic_stream_descriptor\
unit/posix/descriptor\
unit/posix/descriptor_base \
unit/posix/stream_descriptor \
unit/post \
unit/read \
unit/read_at \
unit/read_until \
unit/redirect_error \
unit/serial_port \
unit/serial_port_base \
unit/signal_set \
unit/socket_base \
unit/static_thread_pool \
unit/steady_timer \
unit/strand \
unit/streambuf \
unit/system_context \
unit/system_executor \
unit/system_timer \
unit/this_coro \
unit/thread \
unit/thread_pool \
unit/time_traits \
unit/ts/buffer \
unit/ts/executor \
unit/ts/internet \
unit/ts/io_context \
unit/ts/net \
unit/ts/netfwd \
unit/ts/socket \
unit/ts/timer \
unit/use_awaitable \
unit/use_future \
unit/uses_executor \
unit/wait_traits \
unit/windows/basic_object_handle \
unit/windows/basic_overlapped_handle \
unit/windows/basic_random_access_handle \
unit/windows/basic_stream_handle \
unit/windows/object_handle \
unit/windows/overlapped_handle \
unit/windows/overlapped_ptr \
unit/windows/random_access_handle \
unit/windows/stream_handle \
unit/write \
unit/write_at
if HAVE_CXX14
TESTS += \
unit/experimental/deferred
endif
if HAVE_CXX20
TESTS += \
unit/experimental/promise
if HAVE_COROUTINES
TESTS += \
unit/experimental/awaitable_operators \
unit/experimental/coro/cancel \
unit/experimental/coro/exception \
unit/experimental/coro/partial \
unit/experimental/coro/simple_test \
unit/experimental/coro/stack_test \
unit/experimental/coro/use_coro
endif
endif
if HAVE_OPENSSL
TESTS += \
unit/ssl/context_base \
unit/ssl/context \
unit/ssl/error \
unit/ssl/host_name_verification \
unit/ssl/rfc2818_verification \
unit/ssl/stream_base \
unit/ssl/stream
endif
noinst_HEADERS = \
latency/high_res_clock.hpp \
unit/unit_test.hpp
AM_CXXFLAGS = -I$(srcdir)/../../include
if !STANDALONE
latency_tcp_client_SOURCES = latency/tcp_client.cpp
latency_tcp_server_SOURCES = latency/tcp_server.cpp
latency_udp_client_SOURCES = latency/udp_client.cpp
latency_udp_server_SOURCES = latency/udp_server.cpp
performance_client_SOURCES = performance/client.cpp
performance_server_SOURCES = performance/server.cpp
endif
unit_associated_allocator_SOURCES = unit/associated_allocator.cpp
unit_associated_cancellation_slot_SOURCES = unit/associated_cancellation_slot.cpp
unit_associated_executor_SOURCES = unit/associated_executor.cpp
unit_associator_SOURCES = unit/associator.cpp
unit_async_result_SOURCES = unit/async_result.cpp
unit_awaitable_SOURCES = unit/awaitable.cpp
unit_basic_datagram_socket_SOURCES = unit/basic_datagram_socket.cpp
unit_basic_deadline_timer_SOURCES = unit/basic_deadline_timer.cpp
unit_basic_raw_socket_SOURCES = unit/basic_raw_socket.cpp
unit_basic_seq_packet_socket_SOURCES = unit/basic_seq_packet_socket.cpp
unit_basic_serial_port_SOURCES = unit/basic_serial_port.cpp
unit_basic_signal_set_SOURCES = unit/basic_signal_set.cpp
unit_basic_socket_SOURCES = unit/basic_socket.cpp
unit_basic_socket_acceptor_SOURCES = unit/basic_socket_acceptor.cpp
unit_basic_stream_socket_SOURCES = unit/basic_stream_socket.cpp
unit_basic_streambuf_SOURCES = unit/basic_streambuf.cpp
unit_basic_waitable_timer_SOURCES = unit/basic_waitable_timer.cpp
unit_bind_cancellation_slot_SOURCES = unit/bind_cancellation_slot.cpp
unit_bind_executor_SOURCES = unit/bind_executor.cpp
unit_buffer_SOURCES = unit/buffer.cpp
unit_buffers_iterator_SOURCES = unit/buffers_iterator.cpp
unit_buffered_read_stream_SOURCES = unit/buffered_read_stream.cpp
unit_buffered_stream_SOURCES = unit/buffered_stream.cpp
unit_buffered_write_stream_SOURCES = unit/buffered_write_stream.cpp
unit_cancellation_signal_SOURCES = unit/cancellation_signal.cpp
unit_cancellation_state_SOURCES = unit/cancellation_state.cpp
unit_cancellation_type_SOURCES = unit/cancellation_type.cpp
unit_co_spawn_SOURCES = unit/co_spawn.cpp
unit_completion_condition_SOURCES = unit/completion_condition.cpp
unit_compose_SOURCES = unit/compose.cpp
unit_connect_SOURCES = unit/connect.cpp
unit_coroutine_SOURCES = unit/coroutine.cpp
unit_deadline_timer_SOURCES = unit/deadline_timer.cpp
unit_defer_SOURCES = unit/defer.cpp
unit_detached_SOURCES = unit/detached.cpp
unit_dispatch_SOURCES = unit/dispatch.cpp
unit_error_SOURCES = unit/error.cpp
unit_execution_any_executor_SOURCES = unit/execution/any_executor.cpp
unit_execution_blocking_SOURCES = unit/execution/blocking.cpp
unit_execution_blocking_adaptation_SOURCES = unit/execution/blocking_adaptation.cpp
unit_execution_bulk_execute_SOURCES = unit/execution/bulk_execute.cpp
unit_execution_bulk_guarantee_SOURCES = unit/execution/bulk_guarantee.cpp
unit_execution_connect_SOURCES = unit/execution/connect.cpp
unit_execution_context_as_SOURCES = unit/execution/context_as.cpp
unit_execution_execute_SOURCES = unit/execution/execute.cpp
unit_execution_executor_SOURCES = unit/execution/executor.cpp
unit_execution_invocable_archetype_SOURCES = unit/execution/invocable_archetype.cpp
unit_execution_mapping_SOURCES = unit/execution/mapping.cpp
unit_execution_outstanding_work_SOURCES = unit/execution/outstanding_work.cpp
unit_execution_operation_state_SOURCES = unit/execution/operation_state.cpp
unit_execution_prefer_only_SOURCES = unit/execution/prefer_only.cpp
unit_execution_receiver_SOURCES = unit/execution/receiver.cpp
unit_execution_relationship_SOURCES = unit/execution/relationship.cpp
unit_execution_schedule_SOURCES = unit/execution/schedule.cpp
unit_execution_scheduler_SOURCES = unit/execution/scheduler.cpp
unit_execution_sender_SOURCES = unit/execution/sender.cpp
unit_execution_set_done_SOURCES = unit/execution/set_done.cpp
unit_execution_set_error_SOURCES = unit/execution/set_error.cpp
unit_execution_set_value_SOURCES = unit/execution/set_value.cpp
unit_execution_start_SOURCES = unit/execution/start.cpp
unit_execution_submit_SOURCES = unit/execution/submit.cpp
unit_execution_context_SOURCES = unit/execution_context.cpp
unit_executor_SOURCES = unit/executor.cpp
unit_executor_work_guard_SOURCES = unit/executor_work_guard.cpp
unit_generic_basic_endpoint_SOURCES = unit/generic/basic_endpoint.cpp
unit_generic_datagram_protocol_SOURCES = unit/generic/datagram_protocol.cpp
unit_generic_raw_protocol_SOURCES = unit/generic/raw_protocol.cpp
unit_generic_seq_packet_protocol_SOURCES = unit/generic/seq_packet_protocol.cpp
unit_generic_stream_protocol_SOURCES = unit/generic/stream_protocol.cpp
unit_high_resolution_timer_SOURCES = unit/high_resolution_timer.cpp
unit_io_context_SOURCES = unit/io_context.cpp
unit_io_context_strand_SOURCES = unit/io_context_strand.cpp
unit_ip_address_SOURCES = unit/ip/address.cpp
unit_ip_address_v4_SOURCES = unit/ip/address_v4.cpp
unit_ip_address_v4_iterator_SOURCES = unit/ip/address_v4_iterator.cpp
unit_ip_address_v4_range_SOURCES = unit/ip/address_v4_range.cpp
unit_ip_address_v6_SOURCES = unit/ip/address_v6.cpp
unit_ip_address_v6_iterator_SOURCES = unit/ip/address_v6_iterator.cpp
unit_ip_address_v6_range_SOURCES = unit/ip/address_v6_range.cpp
unit_ip_basic_endpoint_SOURCES = unit/ip/basic_endpoint.cpp
unit_ip_basic_resolver_SOURCES = unit/ip/basic_resolver.cpp
unit_ip_basic_resolver_entry_SOURCES = unit/ip/basic_resolver_entry.cpp
unit_ip_basic_resolver_iterator_SOURCES = unit/ip/basic_resolver_iterator.cpp
unit_ip_basic_resolver_query_SOURCES = unit/ip/basic_resolver_query.cpp
unit_ip_host_name_SOURCES = unit/ip/host_name.cpp
unit_ip_icmp_SOURCES = unit/ip/icmp.cpp
unit_ip_multicast_SOURCES = unit/ip/multicast.cpp
unit_ip_network_v4_SOURCES = unit/ip/network_v4.cpp
unit_ip_network_v6_SOURCES = unit/ip/network_v6.cpp
unit_ip_resolver_query_base_SOURCES = unit/ip/resolver_query_base.cpp
unit_ip_tcp_SOURCES = unit/ip/tcp.cpp
unit_ip_udp_SOURCES = unit/ip/udp.cpp
unit_ip_unicast_SOURCES = unit/ip/unicast.cpp
unit_ip_v6_only_SOURCES = unit/ip/v6_only.cpp
unit_is_read_buffered_SOURCES = unit/is_read_buffered.cpp
unit_is_write_buffered_SOURCES = unit/is_write_buffered.cpp
unit_local_basic_endpoint_SOURCES = unit/local/basic_endpoint.cpp
unit_local_connect_pair_SOURCES = unit/local/connect_pair.cpp
unit_local_datagram_protocol_SOURCES = unit/local/datagram_protocol.cpp
unit_local_stream_protocol_SOURCES = unit/local/stream_protocol.cpp
unit_packaged_task_SOURCES = unit/packaged_task.cpp
unit_placeholders_SOURCES = unit/placeholders.cpp
unit_posix_basic_descriptor_SOURCES = unit/posix/basic_descriptor.cpp
unit_posix_basic_stream_descriptor_SOURCES = unit/posix/basic_stream_descriptor.cpp
unit_posix_descriptor_SOURCES = unit/posix/descriptor.cpp
unit_posix_descriptor_base_SOURCES = unit/posix/descriptor_base.cpp
unit_posix_stream_descriptor_SOURCES = unit/posix/stream_descriptor.cpp
unit_post_SOURCES = unit/post.cpp
unit_read_SOURCES = unit/read.cpp
unit_read_at_SOURCES = unit/read_at.cpp
unit_read_until_SOURCES = unit/read_until.cpp
unit_redirect_error_SOURCES = unit/redirect_error.cpp
unit_serial_port_SOURCES = unit/serial_port.cpp
unit_serial_port_base_SOURCES = unit/serial_port_base.cpp
unit_signal_set_SOURCES = unit/signal_set.cpp
unit_socket_base_SOURCES = unit/socket_base.cpp
unit_static_thread_pool_SOURCES = unit/static_thread_pool.cpp
unit_steady_timer_SOURCES = unit/steady_timer.cpp
unit_strand_SOURCES = unit/strand.cpp
unit_streambuf_SOURCES = unit/streambuf.cpp
unit_system_context_SOURCES = unit/system_context.cpp
unit_system_executor_SOURCES = unit/system_executor.cpp
unit_system_timer_SOURCES = unit/system_timer.cpp
unit_this_coro_SOURCES = unit/this_coro.cpp
unit_thread_SOURCES = unit/thread.cpp
unit_thread_pool_SOURCES = unit/thread_pool.cpp
unit_time_traits_SOURCES = unit/time_traits.cpp
unit_ts_buffer_SOURCES = unit/ts/buffer.cpp
unit_ts_executor_SOURCES = unit/ts/executor.cpp
unit_ts_internet_SOURCES = unit/ts/internet.cpp
unit_ts_io_context_SOURCES = unit/ts/io_context.cpp
unit_ts_net_SOURCES = unit/ts/net.cpp
unit_ts_netfwd_SOURCES = unit/ts/netfwd.cpp
unit_ts_socket_SOURCES = unit/ts/socket.cpp
unit_ts_timer_SOURCES = unit/ts/timer.cpp
unit_use_awaitable_SOURCES = unit/use_awaitable.cpp
unit_use_future_SOURCES = unit/use_future.cpp
unit_uses_executor_SOURCES = unit/uses_executor.cpp
unit_wait_traits_SOURCES = unit/wait_traits.cpp
unit_windows_basic_object_handle_SOURCES = unit/windows/basic_object_handle.cpp
unit_windows_basic_overlapped_handle_SOURCES = unit/windows/basic_overlapped_handle.cpp
unit_windows_basic_random_access_handle_SOURCES = unit/windows/basic_random_access_handle.cpp
unit_windows_basic_stream_handle_SOURCES = unit/windows/basic_stream_handle.cpp
unit_windows_object_handle_SOURCES = unit/windows/object_handle.cpp
unit_windows_overlapped_handle_SOURCES = unit/windows/overlapped_handle.cpp
unit_windows_overlapped_ptr_SOURCES = unit/windows/overlapped_ptr.cpp
unit_windows_random_access_handle_SOURCES = unit/windows/random_access_handle.cpp
unit_windows_stream_handle_SOURCES = unit/windows/stream_handle.cpp
unit_write_SOURCES = unit/write.cpp
unit_write_at_SOURCES = unit/write_at.cpp
if HAVE_CXX14
unit_experimental_deferred_SOURCES = unit/experimental/deferred.cpp
endif
if HAVE_CXX20
unit_experimental_promise_SOURCES = unit/experimental/promise.cpp
if HAVE_COROUTINES
unit_experimental_awaitable_operators_SOURCES = unit/experimental/awaitable_operators.cpp
unit_experimental_coro_cancel_SOURCES = unit/experimental/coro/cancel.cpp
unit_experimental_coro_exception_SOURCES = unit/experimental/coro/exception.cpp
unit_experimental_coro_partial_SOURCES = unit/experimental/coro/partial.cpp
unit_experimental_coro_simple_test_SOURCES = unit/experimental/coro/simple_test.cpp
unit_experimental_coro_stack_test_SOURCES = unit/experimental/coro/stack_test.cpp
unit_experimental_coro_use_coro_SOURCES = unit/experimental/coro/use_coro.cpp
endif
endif
if HAVE_OPENSSL
unit_ssl_context_base_SOURCES = unit/ssl/context_base.cpp
unit_ssl_context_SOURCES = unit/ssl/context.cpp
unit_ssl_error_SOURCES = unit/ssl/error.cpp
unit_ssl_stream_base_SOURCES = unit/ssl/stream_base.cpp
unit_ssl_host_name_verification_SOURCES = unit/ssl/host_name_verification.cpp
unit_ssl_rfc2818_verification_SOURCES = unit/ssl/rfc2818_verification.cpp
unit_ssl_stream_SOURCES = unit/ssl/stream.cpp
endif
EXTRA_DIST = \
latency/allocator.hpp \
performance/handler_allocator.hpp \
unit/archetypes/async_ops.hpp \
unit/archetypes/async_result.hpp \
unit/archetypes/gettable_socket_option.hpp \
unit/archetypes/io_control_command.hpp \
unit/archetypes/settable_socket_option.hpp
MAINTAINERCLEANFILES = \
$(srcdir)/Makefile.in

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.deps
.dirstamp
*.o
*.obj
*.exe
*client
*server
*.ilk
*.manifest
*.pdb
*.tds

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//
// allocator.hpp
// ~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ALLOCATOR_HPP
#define ALLOCATOR_HPP
#include <boost/aligned_storage.hpp>
// Represents a single connection from a client.
class allocator
{
public:
allocator()
: in_use_(false)
{
}
void* allocate(std::size_t n)
{
if (in_use_ || n >= 1024)
return ::operator new(n);
in_use_ = true;
return static_cast<void*>(&space_);
}
void deallocate(void* p)
{
if (p != static_cast<void*>(&space_))
::operator delete(p);
else
in_use_ = false;
}
private:
allocator(const allocator&);
allocator& operator=(const allocator&);
// Whether the reusable memory space is currently in use.
bool in_use_;
// The reusable memory space made available by the allocator.
boost::aligned_storage<1024>::type space_;
};
#endif // ALLOCATOR_HPP

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//
// high_res_clock.hpp
// ~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef HIGH_RES_CLOCK_HPP
#define HIGH_RES_CLOCK_HPP
#include <boost/config.hpp>
#include <boost/cstdint.hpp>
#if defined(ASIO_WINDOWS)
inline boost::uint64_t high_res_clock()
{
LARGE_INTEGER i;
QueryPerformanceCounter(&i);
return i.QuadPart;
}
#elif defined(__GNUC__) && defined(__x86_64__)
inline boost::uint64_t high_res_clock()
{
unsigned long low, high;
__asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high));
return (((boost::uint64_t)high) << 32) | low;
}
#else
#include <boost/date_time/posix_time/posix_time_types.hpp>
inline boost::uint64_t high_res_clock()
{
boost::posix_time::ptime now =
boost::posix_time::microsec_clock::universal_time();
boost::posix_time::ptime epoch(
boost::gregorian::date(1970, 1, 1),
boost::posix_time::seconds(0));
return (now - epoch).total_microseconds();
}
#endif
#endif // HIGH_RES_CLOCK_HPP

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//
// tcp_client.cpp
// ~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <asio/ip/tcp.hpp>
#include <asio/read.hpp>
#include <asio/write.hpp>
#include <boost/date_time/posix_time/posix_time_types.hpp>
#include <boost/shared_ptr.hpp>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <vector>
#include "high_res_clock.hpp"
using asio::ip::tcp;
using boost::posix_time::ptime;
using boost::posix_time::microsec_clock;
const int num_samples = 100000;
struct transfer_all
{
typedef std::size_t result_type;
std::size_t operator()(const asio::error_code& ec, std::size_t)
{
return (ec && ec != asio::error::would_block) ? 0 : ~0;
}
};
int main(int argc, char* argv[])
{
if (argc != 6)
{
std::fprintf(stderr,
"Usage: tcp_client <ip> <port> "
"<nconns> <bufsize> {spin|block}\n");
return 1;
}
const char* ip = argv[1];
unsigned short port = static_cast<unsigned short>(std::atoi(argv[2]));
int num_connections = std::atoi(argv[3]);
std::size_t buf_size = static_cast<std::size_t>(std::atoi(argv[4]));
bool spin = (std::strcmp(argv[5], "spin") == 0);
asio::io_context io_context;
std::vector<boost::shared_ptr<tcp::socket> > sockets;
for (int i = 0; i < num_connections; ++i)
{
boost::shared_ptr<tcp::socket> s(new tcp::socket(io_context));
tcp::endpoint target(asio::ip::make_address(ip), port);
s->connect(target);
s->set_option(tcp::no_delay(true));
if (spin)
{
s->non_blocking(true);
}
sockets.push_back(s);
}
std::vector<unsigned char> write_buf(buf_size);
std::vector<unsigned char> read_buf(buf_size);
ptime start = microsec_clock::universal_time();
boost::uint64_t start_hr = high_res_clock();
boost::uint64_t samples[num_samples];
for (int i = 0; i < num_samples; ++i)
{
tcp::socket& socket = *sockets[i % num_connections];
boost::uint64_t t = high_res_clock();
asio::error_code ec;
asio::write(socket,
asio::buffer(write_buf),
transfer_all(), ec);
asio::read(socket,
asio::buffer(read_buf),
transfer_all(), ec);
samples[i] = high_res_clock() - t;
}
ptime stop = microsec_clock::universal_time();
boost::uint64_t stop_hr = high_res_clock();
boost::uint64_t elapsed_usec = (stop - start).total_microseconds();
boost::uint64_t elapsed_hr = stop_hr - start_hr;
double scale = 1.0 * elapsed_usec / elapsed_hr;
std::sort(samples, samples + num_samples);
std::printf(" 0.0%%\t%f\n", samples[0] * scale);
std::printf(" 0.1%%\t%f\n", samples[num_samples / 1000 - 1] * scale);
std::printf(" 1.0%%\t%f\n", samples[num_samples / 100 - 1] * scale);
std::printf(" 10.0%%\t%f\n", samples[num_samples / 10 - 1] * scale);
std::printf(" 20.0%%\t%f\n", samples[num_samples * 2 / 10 - 1] * scale);
std::printf(" 30.0%%\t%f\n", samples[num_samples * 3 / 10 - 1] * scale);
std::printf(" 40.0%%\t%f\n", samples[num_samples * 4 / 10 - 1] * scale);
std::printf(" 50.0%%\t%f\n", samples[num_samples * 5 / 10 - 1] * scale);
std::printf(" 60.0%%\t%f\n", samples[num_samples * 6 / 10 - 1] * scale);
std::printf(" 70.0%%\t%f\n", samples[num_samples * 7 / 10 - 1] * scale);
std::printf(" 80.0%%\t%f\n", samples[num_samples * 8 / 10 - 1] * scale);
std::printf(" 90.0%%\t%f\n", samples[num_samples * 9 / 10 - 1] * scale);
std::printf(" 99.0%%\t%f\n", samples[num_samples * 99 / 100 - 1] * scale);
std::printf(" 99.9%%\t%f\n", samples[num_samples * 999 / 1000 - 1] * scale);
std::printf("100.0%%\t%f\n", samples[num_samples - 1] * scale);
double total = 0.0;
for (int i = 0; i < num_samples; ++i) total += samples[i] * scale;
std::printf(" mean\t%f\n", total / num_samples);
}

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//
// tcp_server.cpp
// ~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <asio/io_context.hpp>
#include <asio/ip/tcp.hpp>
#include <asio/read.hpp>
#include <asio/write.hpp>
#include <boost/shared_ptr.hpp>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <vector>
using asio::ip::tcp;
#include <asio/yield.hpp>
class tcp_server : asio::coroutine
{
public:
tcp_server(tcp::acceptor& acceptor, std::size_t buf_size) :
acceptor_(acceptor),
socket_(acceptor_.get_executor()),
buffer_(buf_size)
{
}
void operator()(asio::error_code ec, std::size_t n = 0)
{
reenter (this) for (;;)
{
yield acceptor_.async_accept(socket_, ref(this));
while (!ec)
{
yield asio::async_read(socket_,
asio::buffer(buffer_), ref(this));
if (!ec)
{
for (std::size_t i = 0; i < n; ++i) buffer_[i] = ~buffer_[i];
yield asio::async_write(socket_,
asio::buffer(buffer_), ref(this));
}
}
socket_.close();
}
}
struct ref
{
explicit ref(tcp_server* p)
: p_(p)
{
}
void operator()(asio::error_code ec, std::size_t n = 0)
{
(*p_)(ec, n);
}
private:
tcp_server* p_;
};
private:
tcp::acceptor& acceptor_;
tcp::socket socket_;
std::vector<unsigned char> buffer_;
tcp::endpoint sender_;
};
#include <asio/unyield.hpp>
int main(int argc, char* argv[])
{
if (argc != 5)
{
std::fprintf(stderr,
"Usage: tcp_server <port> <nconns> "
"<bufsize> {spin|block}\n");
return 1;
}
unsigned short port = static_cast<unsigned short>(std::atoi(argv[1]));
int max_connections = std::atoi(argv[2]);
std::size_t buf_size = std::atoi(argv[3]);
bool spin = (std::strcmp(argv[4], "spin") == 0);
asio::io_context io_context(1);
tcp::acceptor acceptor(io_context, tcp::endpoint(tcp::v4(), port));
std::vector<boost::shared_ptr<tcp_server> > servers;
for (int i = 0; i < max_connections; ++i)
{
boost::shared_ptr<tcp_server> s(new tcp_server(acceptor, buf_size));
servers.push_back(s);
(*s)(asio::error_code());
}
if (spin)
for (;;) io_context.poll();
else
io_context.run();
}

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//
// udp_client.cpp
// ~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <asio/ip/udp.hpp>
#include <boost/date_time/posix_time/posix_time_types.hpp>
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <vector>
#include "high_res_clock.hpp"
using asio::ip::udp;
using boost::posix_time::ptime;
using boost::posix_time::microsec_clock;
const int num_samples = 100000;
int main(int argc, char* argv[])
{
if (argc != 6)
{
std::fprintf(stderr,
"Usage: udp_client <ip> <port1> "
"<nports> <bufsize> {spin|block}\n");
return 1;
}
const char* ip = argv[1];
unsigned short first_port = static_cast<unsigned short>(std::atoi(argv[2]));
unsigned short num_ports = static_cast<unsigned short>(std::atoi(argv[3]));
std::size_t buf_size = static_cast<std::size_t>(std::atoi(argv[4]));
bool spin = (std::strcmp(argv[5], "spin") == 0);
asio::io_context io_context;
udp::socket socket(io_context, udp::endpoint(udp::v4(), 0));
if (spin)
{
socket.non_blocking(true);
}
udp::endpoint target(asio::ip::make_address(ip), first_port);
unsigned short last_port = first_port + num_ports - 1;
std::vector<unsigned char> write_buf(buf_size);
std::vector<unsigned char> read_buf(buf_size);
ptime start = microsec_clock::universal_time();
boost::uint64_t start_hr = high_res_clock();
boost::uint64_t samples[num_samples];
for (int i = 0; i < num_samples; ++i)
{
boost::uint64_t t = high_res_clock();
asio::error_code ec;
socket.send_to(asio::buffer(write_buf), target, 0, ec);
do socket.receive(asio::buffer(read_buf), 0, ec);
while (ec == asio::error::would_block);
samples[i] = high_res_clock() - t;
if (target.port() == last_port)
target.port(first_port);
else
target.port(target.port() + 1);
}
ptime stop = microsec_clock::universal_time();
boost::uint64_t stop_hr = high_res_clock();
boost::uint64_t elapsed_usec = (stop - start).total_microseconds();
boost::uint64_t elapsed_hr = stop_hr - start_hr;
double scale = 1.0 * elapsed_usec / elapsed_hr;
std::sort(samples, samples + num_samples);
std::printf(" 0.0%%\t%f\n", samples[0] * scale);
std::printf(" 0.1%%\t%f\n", samples[num_samples / 1000 - 1] * scale);
std::printf(" 1.0%%\t%f\n", samples[num_samples / 100 - 1] * scale);
std::printf(" 10.0%%\t%f\n", samples[num_samples / 10 - 1] * scale);
std::printf(" 20.0%%\t%f\n", samples[num_samples * 2 / 10 - 1] * scale);
std::printf(" 30.0%%\t%f\n", samples[num_samples * 3 / 10 - 1] * scale);
std::printf(" 40.0%%\t%f\n", samples[num_samples * 4 / 10 - 1] * scale);
std::printf(" 50.0%%\t%f\n", samples[num_samples * 5 / 10 - 1] * scale);
std::printf(" 60.0%%\t%f\n", samples[num_samples * 6 / 10 - 1] * scale);
std::printf(" 70.0%%\t%f\n", samples[num_samples * 7 / 10 - 1] * scale);
std::printf(" 80.0%%\t%f\n", samples[num_samples * 8 / 10 - 1] * scale);
std::printf(" 90.0%%\t%f\n", samples[num_samples * 9 / 10 - 1] * scale);
std::printf(" 99.0%%\t%f\n", samples[num_samples * 99 / 100 - 1] * scale);
std::printf(" 99.9%%\t%f\n", samples[num_samples * 999 / 1000 - 1] * scale);
std::printf("100.0%%\t%f\n", samples[num_samples - 1] * scale);
double total = 0.0;
for (int i = 0; i < num_samples; ++i) total += samples[i] * scale;
std::printf(" mean\t%f\n", total / num_samples);
}

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//
// udp_server.cpp
// ~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <asio/io_context.hpp>
#include <asio/ip/udp.hpp>
#include <boost/shared_ptr.hpp>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <vector>
#include "allocator.hpp"
using asio::ip::udp;
#include <asio/yield.hpp>
class udp_server : asio::coroutine
{
public:
udp_server(asio::io_context& io_context,
unsigned short port, std::size_t buf_size) :
socket_(io_context, udp::endpoint(udp::v4(), port)),
buffer_(buf_size)
{
}
void operator()(asio::error_code ec, std::size_t n = 0)
{
reenter (this) for (;;)
{
yield socket_.async_receive_from(
asio::buffer(buffer_),
sender_, ref(this));
if (!ec)
{
for (std::size_t i = 0; i < n; ++i) buffer_[i] = ~buffer_[i];
socket_.send_to(asio::buffer(buffer_, n), sender_, 0, ec);
}
}
}
friend void* asio_handler_allocate(std::size_t n, udp_server* s)
{
return s->allocator_.allocate(n);
}
friend void asio_handler_deallocate(void* p, std::size_t, udp_server* s)
{
s->allocator_.deallocate(p);
}
struct ref
{
explicit ref(udp_server* p)
: p_(p)
{
}
void operator()(asio::error_code ec, std::size_t n = 0)
{
(*p_)(ec, n);
}
private:
udp_server* p_;
friend void* asio_handler_allocate(std::size_t n, ref* r)
{
return asio_handler_allocate(n, r->p_);
}
friend void asio_handler_deallocate(void* p, std::size_t n, ref* r)
{
asio_handler_deallocate(p, n, r->p_);
}
};
private:
udp::socket socket_;
std::vector<unsigned char> buffer_;
udp::endpoint sender_;
allocator allocator_;
};
#include <asio/unyield.hpp>
int main(int argc, char* argv[])
{
if (argc != 5)
{
std::fprintf(stderr,
"Usage: udp_server <port1> <nports> "
"<bufsize> {spin|block}\n");
return 1;
}
unsigned short first_port = static_cast<unsigned short>(std::atoi(argv[1]));
unsigned short num_ports = static_cast<unsigned short>(std::atoi(argv[2]));
std::size_t buf_size = std::atoi(argv[3]);
bool spin = (std::strcmp(argv[4], "spin") == 0);
asio::io_context io_context(1);
std::vector<boost::shared_ptr<udp_server> > servers;
for (unsigned short i = 0; i < num_ports; ++i)
{
unsigned short port = first_port + i;
boost::shared_ptr<udp_server> s(new udp_server(io_context, port, buf_size));
servers.push_back(s);
(*s)(asio::error_code());
}
if (spin)
for (;;) io_context.poll();
else
io_context.run();
}

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.deps
.dirstamp
*.o
*.obj
*.exe
client
server
*.ilk
*.manifest
*.pdb
*.tds

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@@ -0,0 +1,286 @@
//
// client.cpp
// ~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio.hpp"
#include <algorithm>
#include <boost/bind/bind.hpp>
#include <boost/mem_fn.hpp>
#include <iostream>
#include <list>
#include <string>
#include "handler_allocator.hpp"
class stats
{
public:
stats()
: mutex_(),
total_bytes_written_(0),
total_bytes_read_(0)
{
}
void add(size_t bytes_written, size_t bytes_read)
{
asio::detail::mutex::scoped_lock lock(mutex_);
total_bytes_written_ += bytes_written;
total_bytes_read_ += bytes_read;
}
void print()
{
asio::detail::mutex::scoped_lock lock(mutex_);
std::cout << total_bytes_written_ << " total bytes written\n";
std::cout << total_bytes_read_ << " total bytes read\n";
}
private:
asio::detail::mutex mutex_;
size_t total_bytes_written_;
size_t total_bytes_read_;
};
class session
{
public:
session(asio::io_context& ioc, size_t block_size, stats& s)
: strand_(ioc.get_executor()),
socket_(ioc),
block_size_(block_size),
read_data_(new char[block_size]),
read_data_length_(0),
write_data_(new char[block_size]),
unwritten_count_(0),
bytes_written_(0),
bytes_read_(0),
stats_(s)
{
for (size_t i = 0; i < block_size_; ++i)
write_data_[i] = static_cast<char>(i % 128);
}
~session()
{
stats_.add(bytes_written_, bytes_read_);
delete[] read_data_;
delete[] write_data_;
}
void start(asio::ip::tcp::resolver::results_type endpoints)
{
asio::async_connect(socket_, endpoints,
asio::bind_executor(strand_,
boost::bind(&session::handle_connect, this,
asio::placeholders::error)));
}
void stop()
{
asio::post(strand_, boost::bind(&session::close_socket, this));
}
private:
void handle_connect(const asio::error_code& err)
{
if (!err)
{
asio::error_code set_option_err;
asio::ip::tcp::no_delay no_delay(true);
socket_.set_option(no_delay, set_option_err);
if (!set_option_err)
{
++unwritten_count_;
async_write(socket_, asio::buffer(write_data_, block_size_),
asio::bind_executor(strand_,
make_custom_alloc_handler(write_allocator_,
boost::bind(&session::handle_write, this,
asio::placeholders::error,
asio::placeholders::bytes_transferred))));
socket_.async_read_some(asio::buffer(read_data_, block_size_),
asio::bind_executor(strand_,
make_custom_alloc_handler(read_allocator_,
boost::bind(&session::handle_read, this,
asio::placeholders::error,
asio::placeholders::bytes_transferred))));
}
}
}
void handle_read(const asio::error_code& err, size_t length)
{
if (!err)
{
bytes_read_ += length;
read_data_length_ = length;
++unwritten_count_;
if (unwritten_count_ == 1)
{
std::swap(read_data_, write_data_);
async_write(socket_, asio::buffer(write_data_, read_data_length_),
asio::bind_executor(strand_,
make_custom_alloc_handler(write_allocator_,
boost::bind(&session::handle_write, this,
asio::placeholders::error,
asio::placeholders::bytes_transferred))));
socket_.async_read_some(asio::buffer(read_data_, block_size_),
asio::bind_executor(strand_,
make_custom_alloc_handler(read_allocator_,
boost::bind(&session::handle_read, this,
asio::placeholders::error,
asio::placeholders::bytes_transferred))));
}
}
}
void handle_write(const asio::error_code& err, size_t length)
{
if (!err && length > 0)
{
bytes_written_ += length;
--unwritten_count_;
if (unwritten_count_ == 1)
{
std::swap(read_data_, write_data_);
async_write(socket_, asio::buffer(write_data_, read_data_length_),
asio::bind_executor(strand_,
make_custom_alloc_handler(write_allocator_,
boost::bind(&session::handle_write, this,
asio::placeholders::error,
asio::placeholders::bytes_transferred))));
socket_.async_read_some(asio::buffer(read_data_, block_size_),
asio::bind_executor(strand_,
make_custom_alloc_handler(read_allocator_,
boost::bind(&session::handle_read, this,
asio::placeholders::error,
asio::placeholders::bytes_transferred))));
}
}
}
void close_socket()
{
socket_.close();
}
private:
asio::strand<asio::io_context::executor_type> strand_;
asio::ip::tcp::socket socket_;
size_t block_size_;
char* read_data_;
size_t read_data_length_;
char* write_data_;
int unwritten_count_;
size_t bytes_written_;
size_t bytes_read_;
stats& stats_;
handler_allocator read_allocator_;
handler_allocator write_allocator_;
};
class client
{
public:
client(asio::io_context& ioc,
const asio::ip::tcp::resolver::results_type endpoints,
size_t block_size, size_t session_count, int timeout)
: io_context_(ioc),
stop_timer_(ioc),
sessions_(),
stats_()
{
stop_timer_.expires_after(asio::chrono::seconds(timeout));
stop_timer_.async_wait(boost::bind(&client::handle_timeout, this));
for (size_t i = 0; i < session_count; ++i)
{
session* new_session = new session(io_context_, block_size, stats_);
new_session->start(endpoints);
sessions_.push_back(new_session);
}
}
~client()
{
while (!sessions_.empty())
{
delete sessions_.front();
sessions_.pop_front();
}
stats_.print();
}
void handle_timeout()
{
std::for_each(sessions_.begin(), sessions_.end(),
boost::mem_fn(&session::stop));
}
private:
asio::io_context& io_context_;
asio::steady_timer stop_timer_;
std::list<session*> sessions_;
stats stats_;
};
int main(int argc, char* argv[])
{
try
{
if (argc != 7)
{
std::cerr << "Usage: client <host> <port> <threads> <blocksize> ";
std::cerr << "<sessions> <time>\n";
return 1;
}
using namespace std; // For atoi.
const char* host = argv[1];
const char* port = argv[2];
int thread_count = atoi(argv[3]);
size_t block_size = atoi(argv[4]);
size_t session_count = atoi(argv[5]);
int timeout = atoi(argv[6]);
asio::io_context ioc;
asio::ip::tcp::resolver r(ioc);
asio::ip::tcp::resolver::results_type endpoints =
r.resolve(host, port);
client c(ioc, endpoints, block_size, session_count, timeout);
std::list<asio::thread*> threads;
while (--thread_count > 0)
{
asio::thread* new_thread = new asio::thread(
boost::bind(&asio::io_context::run, &ioc));
threads.push_back(new_thread);
}
ioc.run();
while (!threads.empty())
{
threads.front()->join();
delete threads.front();
threads.pop_front();
}
}
catch (std::exception& e)
{
std::cerr << "Exception: " << e.what() << "\n";
}
return 0;
}

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//
// handler_allocator.cpp
// ~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef HANDLER_ALLOCATOR_HPP
#define HANDLER_ALLOCATOR_HPP
#include "asio.hpp"
#include <boost/aligned_storage.hpp>
#include <boost/noncopyable.hpp>
// Class to manage the memory to be used for handler-based custom allocation.
// It contains a single block of memory which may be returned for allocation
// requests. If the memory is in use when an allocation request is made, the
// allocator delegates allocation to the global heap.
class handler_allocator
: private boost::noncopyable
{
public:
handler_allocator()
: in_use_(false)
{
}
void* allocate(std::size_t size)
{
if (!in_use_ && size < storage_.size)
{
in_use_ = true;
return storage_.address();
}
return ::operator new(size);
}
void deallocate(void* pointer)
{
if (pointer == storage_.address())
{
in_use_ = false;
}
else
{
::operator delete(pointer);
}
}
private:
// Storage space used for handler-based custom memory allocation.
boost::aligned_storage<1024> storage_;
// Whether the handler-based custom allocation storage has been used.
bool in_use_;
};
// Wrapper class template for handler objects to allow handler memory
// allocation to be customised. Calls to operator() are forwarded to the
// encapsulated handler.
template <typename Handler>
class custom_alloc_handler
{
public:
custom_alloc_handler(handler_allocator& a, Handler h)
: allocator_(a),
handler_(h)
{
}
template <typename Arg1>
void operator()(Arg1 arg1)
{
handler_(arg1);
}
template <typename Arg1, typename Arg2>
void operator()(Arg1 arg1, Arg2 arg2)
{
handler_(arg1, arg2);
}
friend void* asio_handler_allocate(std::size_t size,
custom_alloc_handler<Handler>* this_handler)
{
return this_handler->allocator_.allocate(size);
}
friend void asio_handler_deallocate(void* pointer, std::size_t /*size*/,
custom_alloc_handler<Handler>* this_handler)
{
this_handler->allocator_.deallocate(pointer);
}
private:
handler_allocator& allocator_;
Handler handler_;
};
// Helper function to wrap a handler object to add custom allocation.
template <typename Handler>
inline custom_alloc_handler<Handler> make_custom_alloc_handler(
handler_allocator& a, Handler h)
{
return custom_alloc_handler<Handler>(a, h);
}
#endif // HANDLER_ALLOCATOR_HPP

View File

@@ -0,0 +1,233 @@
//
// server.cpp
// ~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio.hpp"
#include <algorithm>
#include <boost/bind/bind.hpp>
#include <iostream>
#include <list>
#include "handler_allocator.hpp"
class session
{
public:
session(asio::io_context& ioc, size_t block_size)
: io_context_(ioc),
strand_(ioc.get_executor()),
socket_(ioc),
block_size_(block_size),
read_data_(new char[block_size]),
read_data_length_(0),
write_data_(new char[block_size]),
unsent_count_(0),
op_count_(0)
{
}
~session()
{
delete[] read_data_;
delete[] write_data_;
}
asio::ip::tcp::socket& socket()
{
return socket_;
}
void start()
{
asio::error_code set_option_err;
asio::ip::tcp::no_delay no_delay(true);
socket_.set_option(no_delay, set_option_err);
if (!set_option_err)
{
++op_count_;
socket_.async_read_some(asio::buffer(read_data_, block_size_),
asio::bind_executor(strand_,
make_custom_alloc_handler(read_allocator_,
boost::bind(&session::handle_read, this,
asio::placeholders::error,
asio::placeholders::bytes_transferred))));
}
else
{
asio::post(io_context_, boost::bind(&session::destroy, this));
}
}
void handle_read(const asio::error_code& err, size_t length)
{
--op_count_;
if (!err)
{
read_data_length_ = length;
++unsent_count_;
if (unsent_count_ == 1)
{
op_count_ += 2;
std::swap(read_data_, write_data_);
async_write(socket_, asio::buffer(write_data_, read_data_length_),
asio::bind_executor(strand_,
make_custom_alloc_handler(write_allocator_,
boost::bind(&session::handle_write, this,
asio::placeholders::error))));
socket_.async_read_some(asio::buffer(read_data_, block_size_),
asio::bind_executor(strand_,
make_custom_alloc_handler(read_allocator_,
boost::bind(&session::handle_read, this,
asio::placeholders::error,
asio::placeholders::bytes_transferred))));
}
}
if (op_count_ == 0)
asio::post(io_context_, boost::bind(&session::destroy, this));
}
void handle_write(const asio::error_code& err)
{
--op_count_;
if (!err)
{
--unsent_count_;
if (unsent_count_ == 1)
{
op_count_ += 2;
std::swap(read_data_, write_data_);
async_write(socket_, asio::buffer(write_data_, read_data_length_),
asio::bind_executor(strand_,
make_custom_alloc_handler(write_allocator_,
boost::bind(&session::handle_write, this,
asio::placeholders::error))));
socket_.async_read_some(asio::buffer(read_data_, block_size_),
asio::bind_executor(strand_,
make_custom_alloc_handler(read_allocator_,
boost::bind(&session::handle_read, this,
asio::placeholders::error,
asio::placeholders::bytes_transferred))));
}
}
if (op_count_ == 0)
asio::post(io_context_, boost::bind(&session::destroy, this));
}
static void destroy(session* s)
{
delete s;
}
private:
asio::io_context& io_context_;
asio::strand<asio::io_context::executor_type> strand_;
asio::ip::tcp::socket socket_;
size_t block_size_;
char* read_data_;
size_t read_data_length_;
char* write_data_;
int unsent_count_;
int op_count_;
handler_allocator read_allocator_;
handler_allocator write_allocator_;
};
class server
{
public:
server(asio::io_context& ioc, const asio::ip::tcp::endpoint& endpoint,
size_t block_size)
: io_context_(ioc),
acceptor_(ioc),
block_size_(block_size)
{
acceptor_.open(endpoint.protocol());
acceptor_.set_option(asio::ip::tcp::acceptor::reuse_address(1));
acceptor_.bind(endpoint);
acceptor_.listen();
start_accept();
}
void start_accept()
{
session* new_session = new session(io_context_, block_size_);
acceptor_.async_accept(new_session->socket(),
boost::bind(&server::handle_accept, this, new_session,
asio::placeholders::error));
}
void handle_accept(session* new_session, const asio::error_code& err)
{
if (!err)
{
new_session->start();
}
else
{
delete new_session;
}
start_accept();
}
private:
asio::io_context& io_context_;
asio::ip::tcp::acceptor acceptor_;
size_t block_size_;
};
int main(int argc, char* argv[])
{
try
{
if (argc != 5)
{
std::cerr << "Usage: server <address> <port> <threads> <blocksize>\n";
return 1;
}
using namespace std; // For atoi.
asio::ip::address address = asio::ip::make_address(argv[1]);
short port = atoi(argv[2]);
int thread_count = atoi(argv[3]);
size_t block_size = atoi(argv[4]);
asio::io_context ioc;
server s(ioc, asio::ip::tcp::endpoint(address, port), block_size);
// Threads not currently supported in this test.
std::list<asio::thread*> threads;
while (--thread_count > 0)
{
asio::thread* new_thread = new asio::thread(
boost::bind(&asio::io_context::run, &ioc));
threads.push_back(new_thread);
}
ioc.run();
while (!threads.empty())
{
threads.front()->join();
delete threads.front();
threads.pop_front();
}
}
catch (std::exception& e)
{
std::cerr << "Exception: " << e.what() << "\n";
}
return 0;
}

View File

@@ -0,0 +1,8 @@
*_free
*_free_prefer
*_free_require
*_member
*_member_prefer
*_member_require
*_static
*_unsupported

View File

@@ -0,0 +1,367 @@
AUTOMAKE_OPTIONS = subdir-objects
check_PROGRAMS = \
cpp03/query_free \
cpp03/query_member \
cpp03/query_static \
cpp03/can_query_free \
cpp03/can_query_member \
cpp03/can_query_static \
cpp03/can_query_unsupported \
cpp03/can_query_not_applicable_free \
cpp03/can_query_not_applicable_member \
cpp03/can_query_not_applicable_static \
cpp03/can_query_not_applicable_unsupported \
cpp03/require_concept_free \
cpp03/require_concept_member \
cpp03/require_concept_static \
cpp03/can_require_concept_free \
cpp03/can_require_concept_member \
cpp03/can_require_concept_static \
cpp03/can_require_concept_unsupported \
cpp03/can_require_concept_not_applicable_free \
cpp03/can_require_concept_not_applicable_member \
cpp03/can_require_concept_not_applicable_static \
cpp03/can_require_concept_not_applicable_unsupported \
cpp03/require_free \
cpp03/require_member \
cpp03/require_static \
cpp03/can_require_free \
cpp03/can_require_member \
cpp03/can_require_static \
cpp03/can_require_unsupported \
cpp03/can_require_not_applicable_free \
cpp03/can_require_not_applicable_member \
cpp03/can_require_not_applicable_static \
cpp03/can_require_not_applicable_unsupported \
cpp03/prefer_free_prefer \
cpp03/prefer_member_prefer \
cpp03/prefer_free_require \
cpp03/prefer_member_require \
cpp03/prefer_static \
cpp03/prefer_unsupported \
cpp03/can_prefer_free_prefer \
cpp03/can_prefer_free_require \
cpp03/can_prefer_member_prefer \
cpp03/can_prefer_member_require \
cpp03/can_prefer_static \
cpp03/can_prefer_unsupported \
cpp03/can_prefer_not_applicable_free_prefer \
cpp03/can_prefer_not_applicable_free_require \
cpp03/can_prefer_not_applicable_member_prefer \
cpp03/can_prefer_not_applicable_member_require \
cpp03/can_prefer_not_applicable_static \
cpp03/can_prefer_not_applicable_unsupported \
cpp03/can_prefer_not_preferable_free_prefer \
cpp03/can_prefer_not_preferable_free_require \
cpp03/can_prefer_not_preferable_member_prefer \
cpp03/can_prefer_not_preferable_member_require \
cpp03/can_prefer_not_preferable_static \
cpp03/can_prefer_not_preferable_unsupported
cpp03_query_free_SOURCES = cpp03/query_free.cpp
cpp03_query_member_SOURCES = cpp03/query_member.cpp
cpp03_query_static_SOURCES = cpp03/query_static.cpp
cpp03_can_query_free_SOURCES = cpp03/can_query_free.cpp
cpp03_can_query_member_SOURCES = cpp03/can_query_member.cpp
cpp03_can_query_static_SOURCES = cpp03/can_query_static.cpp
cpp03_can_query_unsupported_SOURCES = cpp03/can_query_unsupported.cpp
cpp03_can_query_not_applicable_free_SOURCES = cpp03/can_query_not_applicable_free.cpp
cpp03_can_query_not_applicable_member_SOURCES = cpp03/can_query_not_applicable_member.cpp
cpp03_can_query_not_applicable_static_SOURCES = cpp03/can_query_not_applicable_static.cpp
cpp03_can_query_not_applicable_unsupported_SOURCES = cpp03/can_query_not_applicable_unsupported.cpp
cpp03_require_concept_free_SOURCES = cpp03/require_concept_free.cpp
cpp03_require_concept_member_SOURCES = cpp03/require_concept_member.cpp
cpp03_require_concept_static_SOURCES = cpp03/require_concept_static.cpp
cpp03_can_require_concept_free_SOURCES = cpp03/can_require_concept_free.cpp
cpp03_can_require_concept_member_SOURCES = cpp03/can_require_concept_member.cpp
cpp03_can_require_concept_static_SOURCES = cpp03/can_require_concept_static.cpp
cpp03_can_require_concept_unsupported_SOURCES = cpp03/can_require_concept_unsupported.cpp
cpp03_can_require_concept_not_applicable_free_SOURCES = cpp03/can_require_concept_not_applicable_free.cpp
cpp03_can_require_concept_not_applicable_member_SOURCES = cpp03/can_require_concept_not_applicable_member.cpp
cpp03_can_require_concept_not_applicable_static_SOURCES = cpp03/can_require_concept_not_applicable_static.cpp
cpp03_can_require_concept_not_applicable_unsupported_SOURCES = cpp03/can_require_concept_not_applicable_unsupported.cpp
cpp03_require_free_SOURCES = cpp03/require_free.cpp
cpp03_require_member_SOURCES = cpp03/require_member.cpp
cpp03_require_static_SOURCES = cpp03/require_static.cpp
cpp03_can_require_free_SOURCES = cpp03/can_require_free.cpp
cpp03_can_require_member_SOURCES = cpp03/can_require_member.cpp
cpp03_can_require_static_SOURCES = cpp03/can_require_static.cpp
cpp03_can_require_unsupported_SOURCES = cpp03/can_require_unsupported.cpp
cpp03_can_require_not_applicable_free_SOURCES = cpp03/can_require_not_applicable_free.cpp
cpp03_can_require_not_applicable_member_SOURCES = cpp03/can_require_not_applicable_member.cpp
cpp03_can_require_not_applicable_static_SOURCES = cpp03/can_require_not_applicable_static.cpp
cpp03_can_require_not_applicable_unsupported_SOURCES = cpp03/can_require_not_applicable_unsupported.cpp
cpp03_prefer_free_prefer_SOURCES = cpp03/prefer_free_prefer.cpp
cpp03_prefer_free_require_SOURCES = cpp03/prefer_free_require.cpp
cpp03_prefer_member_prefer_SOURCES = cpp03/prefer_member_prefer.cpp
cpp03_prefer_member_require_SOURCES = cpp03/prefer_member_require.cpp
cpp03_prefer_static_SOURCES = cpp03/prefer_static.cpp
cpp03_prefer_unsupported_SOURCES = cpp03/prefer_unsupported.cpp
cpp03_can_prefer_free_prefer_SOURCES = cpp03/can_prefer_free_prefer.cpp
cpp03_can_prefer_free_require_SOURCES = cpp03/can_prefer_free_require.cpp
cpp03_can_prefer_member_prefer_SOURCES = cpp03/can_prefer_member_prefer.cpp
cpp03_can_prefer_member_require_SOURCES = cpp03/can_prefer_member_require.cpp
cpp03_can_prefer_static_SOURCES = cpp03/can_prefer_static.cpp
cpp03_can_prefer_unsupported_SOURCES = cpp03/can_prefer_unsupported.cpp
cpp03_can_prefer_not_applicable_free_prefer_SOURCES = cpp03/can_prefer_not_applicable_free_prefer.cpp
cpp03_can_prefer_not_applicable_free_require_SOURCES = cpp03/can_prefer_not_applicable_free_require.cpp
cpp03_can_prefer_not_applicable_member_prefer_SOURCES = cpp03/can_prefer_not_applicable_member_prefer.cpp
cpp03_can_prefer_not_applicable_member_require_SOURCES = cpp03/can_prefer_not_applicable_member_require.cpp
cpp03_can_prefer_not_applicable_static_SOURCES = cpp03/can_prefer_not_applicable_static.cpp
cpp03_can_prefer_not_applicable_unsupported_SOURCES = cpp03/can_prefer_not_applicable_unsupported.cpp
cpp03_can_prefer_not_preferable_free_prefer_SOURCES = cpp03/can_prefer_not_preferable_free_prefer.cpp
cpp03_can_prefer_not_preferable_free_require_SOURCES = cpp03/can_prefer_not_preferable_free_require.cpp
cpp03_can_prefer_not_preferable_member_prefer_SOURCES = cpp03/can_prefer_not_preferable_member_prefer.cpp
cpp03_can_prefer_not_preferable_member_require_SOURCES = cpp03/can_prefer_not_preferable_member_require.cpp
cpp03_can_prefer_not_preferable_static_SOURCES = cpp03/can_prefer_not_preferable_static.cpp
cpp03_can_prefer_not_preferable_unsupported_SOURCES = cpp03/can_prefer_not_preferable_unsupported.cpp
if HAVE_CXX11
check_PROGRAMS += \
cpp11/query_free \
cpp11/query_member \
cpp11/query_static \
cpp11/can_query_free \
cpp11/can_query_member \
cpp11/can_query_static \
cpp11/can_query_unsupported \
cpp11/can_query_not_applicable_free \
cpp11/can_query_not_applicable_member \
cpp11/can_query_not_applicable_static \
cpp11/can_query_not_applicable_unsupported \
cpp11/require_concept_free \
cpp11/require_concept_member \
cpp11/require_concept_static \
cpp11/can_require_concept_free \
cpp11/can_require_concept_member \
cpp11/can_require_concept_static \
cpp11/can_require_concept_unsupported \
cpp11/can_require_concept_not_applicable_free \
cpp11/can_require_concept_not_applicable_member \
cpp11/can_require_concept_not_applicable_static \
cpp11/can_require_concept_not_applicable_unsupported \
cpp11/require_free \
cpp11/require_member \
cpp11/require_static \
cpp11/can_require_free \
cpp11/can_require_member \
cpp11/can_require_static \
cpp11/can_require_unsupported \
cpp11/can_require_not_applicable_free \
cpp11/can_require_not_applicable_member \
cpp11/can_require_not_applicable_static \
cpp11/can_require_not_applicable_unsupported \
cpp11/prefer_free_prefer \
cpp11/prefer_member_prefer \
cpp11/prefer_free_require \
cpp11/prefer_member_require \
cpp11/prefer_static \
cpp11/prefer_unsupported \
cpp11/can_prefer_free_prefer \
cpp11/can_prefer_free_require \
cpp11/can_prefer_member_prefer \
cpp11/can_prefer_member_require \
cpp11/can_prefer_static \
cpp11/can_prefer_unsupported \
cpp11/can_prefer_not_applicable_free_prefer \
cpp11/can_prefer_not_applicable_free_require \
cpp11/can_prefer_not_applicable_member_prefer \
cpp11/can_prefer_not_applicable_member_require \
cpp11/can_prefer_not_applicable_static \
cpp11/can_prefer_not_applicable_unsupported \
cpp11/can_prefer_not_preferable_free_prefer \
cpp11/can_prefer_not_preferable_free_require \
cpp11/can_prefer_not_preferable_member_prefer \
cpp11/can_prefer_not_preferable_member_require \
cpp11/can_prefer_not_preferable_static \
cpp11/can_prefer_not_preferable_unsupported
cpp11_query_free_SOURCES = cpp11/query_free.cpp
cpp11_query_member_SOURCES = cpp11/query_member.cpp
cpp11_query_static_SOURCES = cpp11/query_static.cpp
cpp11_can_query_free_SOURCES = cpp11/can_query_free.cpp
cpp11_can_query_member_SOURCES = cpp11/can_query_member.cpp
cpp11_can_query_static_SOURCES = cpp11/can_query_static.cpp
cpp11_can_query_unsupported_SOURCES = cpp11/can_query_unsupported.cpp
cpp11_can_query_not_applicable_free_SOURCES = cpp11/can_query_not_applicable_free.cpp
cpp11_can_query_not_applicable_member_SOURCES = cpp11/can_query_not_applicable_member.cpp
cpp11_can_query_not_applicable_static_SOURCES = cpp11/can_query_not_applicable_static.cpp
cpp11_can_query_not_applicable_unsupported_SOURCES = cpp11/can_query_not_applicable_unsupported.cpp
cpp11_require_concept_free_SOURCES = cpp11/require_concept_free.cpp
cpp11_require_concept_member_SOURCES = cpp11/require_concept_member.cpp
cpp11_require_concept_static_SOURCES = cpp11/require_concept_static.cpp
cpp11_can_require_concept_free_SOURCES = cpp11/can_require_concept_free.cpp
cpp11_can_require_concept_member_SOURCES = cpp11/can_require_concept_member.cpp
cpp11_can_require_concept_static_SOURCES = cpp11/can_require_concept_static.cpp
cpp11_can_require_concept_unsupported_SOURCES = cpp11/can_require_concept_unsupported.cpp
cpp11_can_require_concept_not_applicable_free_SOURCES = cpp11/can_require_concept_not_applicable_free.cpp
cpp11_can_require_concept_not_applicable_member_SOURCES = cpp11/can_require_concept_not_applicable_member.cpp
cpp11_can_require_concept_not_applicable_static_SOURCES = cpp11/can_require_concept_not_applicable_static.cpp
cpp11_can_require_concept_not_applicable_unsupported_SOURCES = cpp11/can_require_concept_not_applicable_unsupported.cpp
cpp11_require_free_SOURCES = cpp11/require_free.cpp
cpp11_require_member_SOURCES = cpp11/require_member.cpp
cpp11_require_static_SOURCES = cpp11/require_static.cpp
cpp11_can_require_free_SOURCES = cpp11/can_require_free.cpp
cpp11_can_require_member_SOURCES = cpp11/can_require_member.cpp
cpp11_can_require_static_SOURCES = cpp11/can_require_static.cpp
cpp11_can_require_unsupported_SOURCES = cpp11/can_require_unsupported.cpp
cpp11_can_require_not_applicable_free_SOURCES = cpp11/can_require_not_applicable_free.cpp
cpp11_can_require_not_applicable_member_SOURCES = cpp11/can_require_not_applicable_member.cpp
cpp11_can_require_not_applicable_static_SOURCES = cpp11/can_require_not_applicable_static.cpp
cpp11_can_require_not_applicable_unsupported_SOURCES = cpp11/can_require_not_applicable_unsupported.cpp
cpp11_prefer_free_prefer_SOURCES = cpp11/prefer_free_prefer.cpp
cpp11_prefer_free_require_SOURCES = cpp11/prefer_free_require.cpp
cpp11_prefer_member_prefer_SOURCES = cpp11/prefer_member_prefer.cpp
cpp11_prefer_member_require_SOURCES = cpp11/prefer_member_require.cpp
cpp11_prefer_static_SOURCES = cpp11/prefer_static.cpp
cpp11_prefer_unsupported_SOURCES = cpp11/prefer_unsupported.cpp
cpp11_can_prefer_free_prefer_SOURCES = cpp11/can_prefer_free_prefer.cpp
cpp11_can_prefer_free_require_SOURCES = cpp11/can_prefer_free_require.cpp
cpp11_can_prefer_member_prefer_SOURCES = cpp11/can_prefer_member_prefer.cpp
cpp11_can_prefer_member_require_SOURCES = cpp11/can_prefer_member_require.cpp
cpp11_can_prefer_static_SOURCES = cpp11/can_prefer_static.cpp
cpp11_can_prefer_unsupported_SOURCES = cpp11/can_prefer_unsupported.cpp
cpp11_can_prefer_not_applicable_free_prefer_SOURCES = cpp11/can_prefer_not_applicable_free_prefer.cpp
cpp11_can_prefer_not_applicable_free_require_SOURCES = cpp11/can_prefer_not_applicable_free_require.cpp
cpp11_can_prefer_not_applicable_member_prefer_SOURCES = cpp11/can_prefer_not_applicable_member_prefer.cpp
cpp11_can_prefer_not_applicable_member_require_SOURCES = cpp11/can_prefer_not_applicable_member_require.cpp
cpp11_can_prefer_not_applicable_static_SOURCES = cpp11/can_prefer_not_applicable_static.cpp
cpp11_can_prefer_not_applicable_unsupported_SOURCES = cpp11/can_prefer_not_applicable_unsupported.cpp
cpp11_can_prefer_not_preferable_free_prefer_SOURCES = cpp11/can_prefer_not_preferable_free_prefer.cpp
cpp11_can_prefer_not_preferable_free_require_SOURCES = cpp11/can_prefer_not_preferable_free_require.cpp
cpp11_can_prefer_not_preferable_member_prefer_SOURCES = cpp11/can_prefer_not_preferable_member_prefer.cpp
cpp11_can_prefer_not_preferable_member_require_SOURCES = cpp11/can_prefer_not_preferable_member_require.cpp
cpp11_can_prefer_not_preferable_static_SOURCES = cpp11/can_prefer_not_preferable_static.cpp
cpp11_can_prefer_not_preferable_unsupported_SOURCES = cpp11/can_prefer_not_preferable_unsupported.cpp
endif
if HAVE_CXX14
check_PROGRAMS += \
cpp14/query_free \
cpp14/query_member \
cpp14/query_static \
cpp14/can_query_free \
cpp14/can_query_member \
cpp14/can_query_static \
cpp14/can_query_unsupported \
cpp14/can_query_not_applicable_free \
cpp14/can_query_not_applicable_member \
cpp14/can_query_not_applicable_static \
cpp14/can_query_not_applicable_unsupported \
cpp14/require_concept_free \
cpp14/require_concept_member \
cpp14/require_concept_static \
cpp14/can_require_concept_free \
cpp14/can_require_concept_member \
cpp14/can_require_concept_static \
cpp14/can_require_concept_unsupported \
cpp14/can_require_concept_not_applicable_free \
cpp14/can_require_concept_not_applicable_member \
cpp14/can_require_concept_not_applicable_static \
cpp14/can_require_concept_not_applicable_unsupported \
cpp14/require_free \
cpp14/require_member \
cpp14/require_static \
cpp14/can_require_free \
cpp14/can_require_member \
cpp14/can_require_static \
cpp14/can_require_unsupported \
cpp14/can_require_not_applicable_free \
cpp14/can_require_not_applicable_member \
cpp14/can_require_not_applicable_static \
cpp14/can_require_not_applicable_unsupported \
cpp14/prefer_free_prefer \
cpp14/prefer_member_prefer \
cpp14/prefer_free_require \
cpp14/prefer_member_require \
cpp14/prefer_static \
cpp14/prefer_unsupported \
cpp14/can_prefer_free_prefer \
cpp14/can_prefer_free_require \
cpp14/can_prefer_member_prefer \
cpp14/can_prefer_member_require \
cpp14/can_prefer_static \
cpp14/can_prefer_unsupported \
cpp14/can_prefer_not_applicable_free_prefer \
cpp14/can_prefer_not_applicable_free_require \
cpp14/can_prefer_not_applicable_member_prefer \
cpp14/can_prefer_not_applicable_member_require \
cpp14/can_prefer_not_applicable_static \
cpp14/can_prefer_not_applicable_unsupported \
cpp14/can_prefer_not_preferable_free_prefer \
cpp14/can_prefer_not_preferable_free_require \
cpp14/can_prefer_not_preferable_member_prefer \
cpp14/can_prefer_not_preferable_member_require \
cpp14/can_prefer_not_preferable_static \
cpp14/can_prefer_not_preferable_unsupported
cpp14_query_free_SOURCES = cpp14/query_free.cpp
cpp14_query_member_SOURCES = cpp14/query_member.cpp
cpp14_query_static_SOURCES = cpp14/query_static.cpp
cpp14_can_query_free_SOURCES = cpp14/can_query_free.cpp
cpp14_can_query_member_SOURCES = cpp14/can_query_member.cpp
cpp14_can_query_static_SOURCES = cpp14/can_query_static.cpp
cpp14_can_query_unsupported_SOURCES = cpp14/can_query_unsupported.cpp
cpp14_can_query_not_applicable_free_SOURCES = cpp14/can_query_not_applicable_free.cpp
cpp14_can_query_not_applicable_member_SOURCES = cpp14/can_query_not_applicable_member.cpp
cpp14_can_query_not_applicable_static_SOURCES = cpp14/can_query_not_applicable_static.cpp
cpp14_can_query_not_applicable_unsupported_SOURCES = cpp14/can_query_not_applicable_unsupported.cpp
cpp14_require_concept_free_SOURCES = cpp14/require_concept_free.cpp
cpp14_require_concept_member_SOURCES = cpp14/require_concept_member.cpp
cpp14_require_concept_static_SOURCES = cpp14/require_concept_static.cpp
cpp14_can_require_concept_free_SOURCES = cpp14/can_require_concept_free.cpp
cpp14_can_require_concept_member_SOURCES = cpp14/can_require_concept_member.cpp
cpp14_can_require_concept_static_SOURCES = cpp14/can_require_concept_static.cpp
cpp14_can_require_concept_unsupported_SOURCES = cpp14/can_require_concept_unsupported.cpp
cpp14_can_require_concept_not_applicable_free_SOURCES = cpp14/can_require_concept_not_applicable_free.cpp
cpp14_can_require_concept_not_applicable_member_SOURCES = cpp14/can_require_concept_not_applicable_member.cpp
cpp14_can_require_concept_not_applicable_static_SOURCES = cpp14/can_require_concept_not_applicable_static.cpp
cpp14_can_require_concept_not_applicable_unsupported_SOURCES = cpp14/can_require_concept_not_applicable_unsupported.cpp
cpp14_require_free_SOURCES = cpp14/require_free.cpp
cpp14_require_member_SOURCES = cpp14/require_member.cpp
cpp14_require_static_SOURCES = cpp14/require_static.cpp
cpp14_can_require_free_SOURCES = cpp14/can_require_free.cpp
cpp14_can_require_member_SOURCES = cpp14/can_require_member.cpp
cpp14_can_require_static_SOURCES = cpp14/can_require_static.cpp
cpp14_can_require_unsupported_SOURCES = cpp14/can_require_unsupported.cpp
cpp14_can_require_not_applicable_free_SOURCES = cpp14/can_require_not_applicable_free.cpp
cpp14_can_require_not_applicable_member_SOURCES = cpp14/can_require_not_applicable_member.cpp
cpp14_can_require_not_applicable_static_SOURCES = cpp14/can_require_not_applicable_static.cpp
cpp14_can_require_not_applicable_unsupported_SOURCES = cpp14/can_require_not_applicable_unsupported.cpp
cpp14_prefer_free_prefer_SOURCES = cpp14/prefer_free_prefer.cpp
cpp14_prefer_free_require_SOURCES = cpp14/prefer_free_require.cpp
cpp14_prefer_member_prefer_SOURCES = cpp14/prefer_member_prefer.cpp
cpp14_prefer_member_require_SOURCES = cpp14/prefer_member_require.cpp
cpp14_prefer_static_SOURCES = cpp14/prefer_static.cpp
cpp14_prefer_unsupported_SOURCES = cpp14/prefer_unsupported.cpp
cpp14_can_prefer_free_prefer_SOURCES = cpp14/can_prefer_free_prefer.cpp
cpp14_can_prefer_free_require_SOURCES = cpp14/can_prefer_free_require.cpp
cpp14_can_prefer_member_prefer_SOURCES = cpp14/can_prefer_member_prefer.cpp
cpp14_can_prefer_member_require_SOURCES = cpp14/can_prefer_member_require.cpp
cpp14_can_prefer_static_SOURCES = cpp14/can_prefer_static.cpp
cpp14_can_prefer_unsupported_SOURCES = cpp14/can_prefer_unsupported.cpp
cpp14_can_prefer_not_applicable_free_prefer_SOURCES = cpp14/can_prefer_not_applicable_free_prefer.cpp
cpp14_can_prefer_not_applicable_free_require_SOURCES = cpp14/can_prefer_not_applicable_free_require.cpp
cpp14_can_prefer_not_applicable_member_prefer_SOURCES = cpp14/can_prefer_not_applicable_member_prefer.cpp
cpp14_can_prefer_not_applicable_member_require_SOURCES = cpp14/can_prefer_not_applicable_member_require.cpp
cpp14_can_prefer_not_applicable_static_SOURCES = cpp14/can_prefer_not_applicable_static.cpp
cpp14_can_prefer_not_applicable_unsupported_SOURCES = cpp14/can_prefer_not_applicable_unsupported.cpp
cpp14_can_prefer_not_preferable_free_prefer_SOURCES = cpp14/can_prefer_not_preferable_free_prefer.cpp
cpp14_can_prefer_not_preferable_free_require_SOURCES = cpp14/can_prefer_not_preferable_free_require.cpp
cpp14_can_prefer_not_preferable_member_prefer_SOURCES = cpp14/can_prefer_not_preferable_member_prefer.cpp
cpp14_can_prefer_not_preferable_member_require_SOURCES = cpp14/can_prefer_not_preferable_member_require.cpp
cpp14_can_prefer_not_preferable_static_SOURCES = cpp14/can_prefer_not_preferable_static.cpp
cpp14_can_prefer_not_preferable_unsupported_SOURCES = cpp14/can_prefer_not_preferable_unsupported.cpp
endif
TESTS = $(check_PROGRAMS)
AM_CXXFLAGS = -I$(srcdir)/../../../include
MAINTAINERCLEANFILES = \
$(srcdir)/Makefile.in

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@@ -0,0 +1,308 @@
COMMON_CXXFLAGS = -nologo -GR -EHsc -I. -I../../../include
!ifdef CXXLATEST
STD_CXXFLAGS = -std:c++latest
!endif
!ifdef WARNINGS
WARNINGS_CXXFLAGS = -W4 -wd4512 -wd4447
!endif
!ifdef STATICRTL
! ifdef DEBUG
DEBUG_CXXFLAGS = -Zi -MTd
! else
DEBUG_CXXFLAGS = -O2 -MT
! endif
!else
! ifdef DEBUG
DEBUG_CXXFLAGS = -Zi -MDd
! else
DEBUG_CXXFLAGS = -O2 -MD
! endif
!endif
!ifdef UNICODE
UNICODE_CXXFLAGS = -DUNICODE -D_UNICODE
!endif
!ifdef TRACKING
TRACKING_CXXFLAGS = -DASIO_ENABLE_HANDLER_TRACKING
!endif
!ifndef _WIN32_WINNT
! ifdef STORE
_WIN32_WINNT=0x0603
! else
_WIN32_WINNT=0x0601
! endif
!endif
!ifdef WIN9X
DEFINES = \
-DASIO_DISABLE_IOCP \
-D_WIN32_WINNT=$(_WIN32_WINNT) \
-DBOOST_ALL_NO_LIB \
-DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
!else
! ifdef STORE
DEFINES = \
-DWINAPI_FAMILY=WINAPI_FAMILY_PC_APP \
-DBOOST_ALL_NO_LIB -D_WIN32_WINNT=$(_WIN32_WINNT) \
-DUNICODE -D_UNICODE \
-DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
! else
! ifdef WINRT
DEFINES = \
-ZW -FI SDKDDKVer.h -FI winapifamily.h -DWINAPI_FAMILY=WINAPI_PARTITION_APP \
-DBOOST_ALL_NO_LIB \
-DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
! else
DEFINES = \
-D_WIN32_WINNT=$(_WIN32_WINNT) \
-DBOOST_ALL_NO_LIB \
-DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
! endif
! endif
!endif
!ifdef STANDALONE
STANDALONE_CXXFLAGS = -DASIO_STANDALONE
!else
STANDALONE_CXXFLAGS = -I$(BOOSTDIR) -DASIO_ENABLE_BOOST
!endif
CXXFLAGS = \
$(COMMON_CXXFLAGS) \
$(STD_CXXFLAGS) \
$(WARNINGS_CXXFLAGS) \
$(DEBUG_CXXFLAGS) \
$(UNICODE_CXXFLAGS) \
$(TRACKING_CXXFLAGS) \
$(STANDALONE_CXXFLAGS)
CPP03_TEST_EXES = \
cpp03\query_free.exe \
cpp03\query_member.exe \
cpp03\query_static.exe \
cpp03\can_query_free.exe \
cpp03\can_query_member.exe \
cpp03\can_query_static.exe \
cpp03\can_query_unsupported.exe \
cpp03\can_query_not_applicable_free.exe \
cpp03\can_query_not_applicable_member.exe \
cpp03\can_query_not_applicable_static.exe \
cpp03\can_query_not_applicable_unsupported.exe \
cpp03\require_concept_free.exe \
cpp03\require_concept_member.exe \
cpp03\require_concept_static.exe \
cpp03\can_require_concept_free.exe \
cpp03\can_require_concept_member.exe \
cpp03\can_require_concept_static.exe \
cpp03\can_require_concept_unsupported.exe \
cpp03\can_require_concept_not_applicable_free.exe \
cpp03\can_require_concept_not_applicable_member.exe \
cpp03\can_require_concept_not_applicable_static.exe \
cpp03\can_require_concept_not_applicable_unsupported.exe \
cpp03\require_free.exe \
cpp03\require_member.exe \
cpp03\require_static.exe \
cpp03\can_require_free.exe \
cpp03\can_require_member.exe \
cpp03\can_require_static.exe \
cpp03\can_require_unsupported.exe \
cpp03\can_require_not_applicable_free.exe \
cpp03\can_require_not_applicable_member.exe \
cpp03\can_require_not_applicable_static.exe \
cpp03\can_require_not_applicable_unsupported.exe \
cpp03\prefer_free_prefer.exe \
cpp03\prefer_member_prefer.exe \
cpp03\prefer_free_require.exe \
cpp03\prefer_member_require.exe \
cpp03\prefer_static.exe \
cpp03\prefer_unsupported.exe \
cpp03\can_prefer_free_prefer.exe \
cpp03\can_prefer_free_require.exe \
cpp03\can_prefer_member_prefer.exe \
cpp03\can_prefer_member_require.exe \
cpp03\can_prefer_static.exe \
cpp03\can_prefer_unsupported.exe \
cpp03\can_prefer_not_applicable_free_prefer.exe \
cpp03\can_prefer_not_applicable_free_require.exe \
cpp03\can_prefer_not_applicable_member_prefer.exe \
cpp03\can_prefer_not_applicable_member_require.exe \
cpp03\can_prefer_not_applicable_static.exe \
cpp03\can_prefer_not_applicable_unsupported.exe \
cpp03\can_prefer_not_preferable_free_prefer.exe \
cpp03\can_prefer_not_preferable_free_require.exe \
cpp03\can_prefer_not_preferable_member_prefer.exe \
cpp03\can_prefer_not_preferable_member_require.exe \
cpp03\can_prefer_not_preferable_static.exe \
cpp03\can_prefer_not_preferable_unsupported.exe
!ifdef CPP11
CPP11_TEST_EXES = \
cpp11\query_free.exe \
cpp11\query_member.exe \
cpp11\query_static.exe \
cpp11\can_query_free.exe \
cpp11\can_query_member.exe \
cpp11\can_query_static.exe \
cpp11\can_query_unsupported.exe \
cpp11\can_query_not_applicable_free.exe \
cpp11\can_query_not_applicable_member.exe \
cpp11\can_query_not_applicable_static.exe \
cpp11\can_query_not_applicable_unsupported.exe \
cpp11\require_concept_free.exe \
cpp11\require_concept_member.exe \
cpp11\require_concept_static.exe \
cpp11\can_require_concept_free.exe \
cpp11\can_require_concept_member.exe \
cpp11\can_require_concept_static.exe \
cpp11\can_require_concept_unsupported.exe \
cpp11\can_require_concept_not_applicable_free.exe \
cpp11\can_require_concept_not_applicable_member.exe \
cpp11\can_require_concept_not_applicable_static.exe \
cpp11\can_require_concept_not_applicable_unsupported.exe \
cpp11\require_free.exe \
cpp11\require_member.exe \
cpp11\require_static.exe \
cpp11\can_require_free.exe \
cpp11\can_require_member.exe \
cpp11\can_require_static.exe \
cpp11\can_require_unsupported.exe \
cpp11\can_require_not_applicable_free.exe \
cpp11\can_require_not_applicable_member.exe \
cpp11\can_require_not_applicable_static.exe \
cpp11\can_require_not_applicable_unsupported.exe \
cpp11\prefer_free_prefer.exe \
cpp11\prefer_member_prefer.exe \
cpp11\prefer_free_require.exe \
cpp11\prefer_member_require.exe \
cpp11\prefer_static.exe \
cpp11\prefer_unsupported.exe \
cpp11\can_prefer_free_prefer.exe \
cpp11\can_prefer_free_require.exe \
cpp11\can_prefer_member_prefer.exe \
cpp11\can_prefer_member_require.exe \
cpp11\can_prefer_static.exe \
cpp11\can_prefer_unsupported.exe \
cpp11\can_prefer_not_applicable_free_prefer.exe \
cpp11\can_prefer_not_applicable_free_require.exe \
cpp11\can_prefer_not_applicable_member_prefer.exe \
cpp11\can_prefer_not_applicable_member_require.exe \
cpp11\can_prefer_not_applicable_static.exe \
cpp11\can_prefer_not_applicable_unsupported.exe \
cpp11\can_prefer_not_preferable_free_prefer.exe \
cpp11\can_prefer_not_preferable_free_require.exe \
cpp11\can_prefer_not_preferable_member_prefer.exe \
cpp11\can_prefer_not_preferable_member_require.exe \
cpp11\can_prefer_not_preferable_static.exe \
cpp11\can_prefer_not_preferable_unsupported.exe
!endif
!ifdef CPP14
CPP14_TEST_EXES = \
cpp14\query_free.exe \
cpp14\query_member.exe \
cpp14\query_static.exe \
cpp14\can_query_free.exe \
cpp14\can_query_member.exe \
cpp14\can_query_static.exe \
cpp14\can_query_unsupported.exe \
cpp14\can_query_not_applicable_free.exe \
cpp14\can_query_not_applicable_member.exe \
cpp14\can_query_not_applicable_static.exe \
cpp14\can_query_not_applicable_unsupported.exe \
cpp14\require_concept_free.exe \
cpp14\require_concept_member.exe \
cpp14\require_concept_static.exe \
cpp14\can_require_concept_free.exe \
cpp14\can_require_concept_member.exe \
cpp14\can_require_concept_static.exe \
cpp14\can_require_concept_unsupported.exe \
cpp14\can_require_concept_not_applicable_free.exe \
cpp14\can_require_concept_not_applicable_member.exe \
cpp14\can_require_concept_not_applicable_static.exe \
cpp14\can_require_concept_not_applicable_unsupported.exe \
cpp14\require_free.exe \
cpp14\require_member.exe \
cpp14\require_static.exe \
cpp14\can_require_free.exe \
cpp14\can_require_member.exe \
cpp14\can_require_static.exe \
cpp14\can_require_unsupported.exe \
cpp14\can_require_not_applicable_free.exe \
cpp14\can_require_not_applicable_member.exe \
cpp14\can_require_not_applicable_static.exe \
cpp14\can_require_not_applicable_unsupported.exe \
cpp14\prefer_free_prefer.exe \
cpp14\prefer_member_prefer.exe \
cpp14\prefer_free_require.exe \
cpp14\prefer_member_require.exe \
cpp14\prefer_static.exe \
cpp14\prefer_unsupported.exe \
cpp14\can_prefer_free_prefer.exe \
cpp14\can_prefer_free_require.exe \
cpp14\can_prefer_member_prefer.exe \
cpp14\can_prefer_member_require.exe \
cpp14\can_prefer_static.exe \
cpp14\can_prefer_unsupported.exe \
cpp14\can_prefer_not_applicable_free_prefer.exe \
cpp14\can_prefer_not_applicable_free_require.exe \
cpp14\can_prefer_not_applicable_member_prefer.exe \
cpp14\can_prefer_not_applicable_member_require.exe \
cpp14\can_prefer_not_applicable_static.exe \
cpp14\can_prefer_not_applicable_unsupported.exe \
cpp14\can_prefer_not_preferable_free_prefer.exe \
cpp14\can_prefer_not_preferable_free_require.exe \
cpp14\can_prefer_not_preferable_member_prefer.exe \
cpp14\can_prefer_not_preferable_member_require.exe \
cpp14\can_prefer_not_preferable_static.exe \
cpp14\can_prefer_not_preferable_unsupported.exe
!endif
TEST_EXES = \
$(CPP03_TEST_EXES) \
$(CPP11_TEST_EXES) \
$(CPP14_TEST_EXES)
all: \
$(TEST_EXES)
check: $(TEST_EXES)
!@echo === Running $** === && $** && echo.
{cpp03}.cpp{cpp03}.exe:
cl -Fe$@ -Fo$(<:.cpp=.obj) $(CXXFLAGS) $(DEFINES) $< $(LIBS) -link -opt:ref
{cpp11}.cpp{cpp11}.exe:
cl -Fe$@ -Fo$(<:.cpp=.obj) $(CXXFLAGS) $(DEFINES) $< $(LIBS) -link -opt:ref
{cpp14}.cpp{cpp14}.exe:
cl -Fe$@ -Fo$(<:.cpp=.obj) $(CXXFLAGS) $(DEFINES) $< $(LIBS) -link -opt:ref
clean:
-del /q /s cpp03\*.exe
-del /q /s cpp03\*.exe.manifest
-del /q /s cpp03\*.exp
-del /q /s cpp03\*.ilk
-del /q /s cpp03\*.pdb
-del /q /s cpp03\*.obj
-del /q /s cpp11\*.exe
-del /q /s cpp11\*.exe.manifest
-del /q /s cpp11\*.exp
-del /q /s cpp11\*.ilk
-del /q /s cpp11\*.pdb
-del /q /s cpp11\*.obj
-del /q /s cpp14\*.exe
-del /q /s cpp14\*.exe.manifest
-del /q /s cpp14\*.exp
-del /q /s cpp14\*.ilk
-del /q /s cpp14\*.pdb
-del /q /s cpp14\*.obj
-del /q /s *.pdb

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@@ -0,0 +1,59 @@
//
// cpp03/can_prefer_free_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
friend object<N> prefer(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct prefer_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_prefer<object<1>, prop<2> >::value));
assert((asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((asio::can_prefer<const object<1>, prop<2> >::value));
assert((asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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@@ -0,0 +1,59 @@
//
// cpp03/can_prefer_free_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
friend object<N> require(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_prefer<object<1>, prop<2> >::value));
assert((asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((asio::can_prefer<const object<1>, prop<2> >::value));
assert((asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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@@ -0,0 +1,59 @@
//
// cpp03/can_prefer_member_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
object<N> prefer(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct prefer_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_prefer<object<1>, prop<2> >::value));
assert((asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((asio::can_prefer<const object<1>, prop<2> >::value));
assert((asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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@@ -0,0 +1,59 @@
//
// cpp03/can_prefer_member_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
object<N> require(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_prefer<object<1>, prop<2> >::value));
assert((asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((asio::can_prefer<const object<1>, prop<2> >::value));
assert((asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_prefer_not_applicable_free_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
friend object<N> prefer(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
namespace traits {
template<int N, int M>
struct prefer_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_prefer<object<1>, prop<2> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_prefer<const object<1>, prop<2> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_prefer_not_applicable_free_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
friend object<N> require(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
namespace traits {
template<int N, int M>
struct require_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_prefer<object<1>, prop<2> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_prefer<const object<1>, prop<2> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_prefer_not_applicable_member_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
object<N> prefer(prop<N>) const
{
return object<N>();
}
};
namespace asio {
namespace traits {
template<int N, int M>
struct prefer_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_prefer<object<1>, prop<2> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_prefer<const object<1>, prop<2> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_prefer_not_applicable_member_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
object<N> require(prop<N>) const
{
return object<N>();
}
};
namespace asio {
namespace traits {
template<int N, int M>
struct require_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_prefer<object<1>, prop<2> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_prefer<const object<1>, prop<2> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_prefer_not_applicable_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
};
namespace asio {
namespace traits {
template<int N>
struct static_require<object<N>, prop<N> >
{
static const bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_prefer<object<1>, prop<1> >::value));
assert((!asio::can_prefer<object<1>, prop<1>, prop<1> >::value));
assert((!asio::can_prefer<object<1>, prop<1>, prop<1>, prop<1> >::value));
assert((!asio::can_prefer<const object<1>, prop<1> >::value));
assert((!asio::can_prefer<const object<1>, prop<1>, prop<1> >::value));
assert((!asio::can_prefer<const object<1>, prop<1>, prop<1>, prop<1> >::value));
}

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//
// cpp03/can_prefer_not_applicable_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
};
int main()
{
assert((!asio::can_prefer<object<1>, prop<2> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_prefer<const object<1>, prop<2> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_prefer_not_preferable_free_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = false;
};
template <int>
struct object
{
template <int N>
friend object<N> prefer(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct prefer_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_prefer<object<1>, prop<2> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_prefer<const object<1>, prop<2> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_prefer_not_preferable_free_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = false;
};
template <int>
struct object
{
template <int N>
friend object<N> require(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_prefer<object<1>, prop<2> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_prefer<const object<1>, prop<2> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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@@ -0,0 +1,59 @@
//
// cpp03/can_prefer_not_preferable_member_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = false;
};
template <int>
struct object
{
template <int N>
object<N> prefer(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct prefer_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_prefer<object<1>, prop<2> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_prefer<const object<1>, prop<2> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_prefer_not_preferable_member_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = false;
};
template <int>
struct object
{
template <int N>
object<N> require(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_prefer<object<1>, prop<2> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_prefer<const object<1>, prop<2> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_prefer_not_preferable_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = false;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N>
struct static_require<object<N>, prop<N> >
{
static const bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_prefer<object<1>, prop<1> >::value));
assert((!asio::can_prefer<object<1>, prop<1>, prop<1> >::value));
assert((!asio::can_prefer<object<1>, prop<1>, prop<1>, prop<1> >::value));
assert((!asio::can_prefer<const object<1>, prop<1> >::value));
assert((!asio::can_prefer<const object<1>, prop<1>, prop<1> >::value));
assert((!asio::can_prefer<const object<1>, prop<1>, prop<1>, prop<1> >::value));
}

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//
// cpp03/can_prefer_not_preferable_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = false;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
} // namespace asio
int main()
{
assert((!asio::can_prefer<object<1>, prop<2> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_prefer<const object<1>, prop<2> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_prefer_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N>
struct static_require<object<N>, prop<N> >
{
static const bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_prefer<object<1>, prop<1> >::value));
assert((asio::can_prefer<object<1>, prop<1>, prop<1> >::value));
assert((asio::can_prefer<object<1>, prop<1>, prop<1>, prop<1> >::value));
assert((asio::can_prefer<const object<1>, prop<1> >::value));
assert((asio::can_prefer<const object<1>, prop<1>, prop<1> >::value));
assert((asio::can_prefer<const object<1>, prop<1>, prop<1>, prop<1> >::value));
}

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//
// cpp03/can_prefer_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
} // namespace asio
int main()
{
assert((asio::can_prefer<object<1>, prop<2> >::value));
assert((asio::can_prefer<object<1>, prop<2>, prop<3> >::value));
assert((asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((asio::can_prefer<const object<1>, prop<2> >::value));
assert((asio::can_prefer<const object<1>, prop<2>, prop<3> >::value));
assert((asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_query_free.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
friend int query(const object&, prop) { return 123; }
};
namespace asio {
template<>
struct is_applicable_property<object, prop>
{
static const bool value = true;
};
namespace traits {
template<>
struct query_free<object, prop>
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef int result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_query<object, prop>::value));
assert((asio::can_query<const object, prop>::value));
}

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//
// cpp03/can_query_member.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
int query(prop) const { return 123; }
};
namespace asio {
template<>
struct is_applicable_property<object, prop>
{
static const bool value = true;
};
namespace traits {
template<>
struct query_member<object, prop>
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef int result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_query<object, prop>::value));
assert((asio::can_query<const object, prop>::value));
}

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//
// cpp03/can_query_not_applicable_free.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
friend int query(const object&, prop) { return 123; }
};
namespace asio {
namespace traits {
template<>
struct query_free<object, prop>
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef int result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_query<object, prop>::value));
assert((!asio::can_query<const object, prop>::value));
}

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//
// cpp03/can_query_not_applicable_member.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
int query(prop) const { return 123; }
};
namespace asio {
namespace traits {
template<>
struct query_member<object, prop>
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef int result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_query<object, prop>::value));
assert((!asio::can_query<const object, prop>::value));
}

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//
// cpp03/can_query_not_applicable_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
};
namespace asio {
namespace traits {
template<>
struct static_query<object, prop>
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef int result_type;
static int value() { return 123; }
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_query<object, prop>::value));
assert((!asio::can_query<const object, prop>::value));
}

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@@ -0,0 +1,26 @@
//
// cpp03/can_query_not_applicable_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
};
int main()
{
assert((!asio::can_query<object, prop>::value));
assert((!asio::can_query<const object, prop>::value));
}

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@@ -0,0 +1,48 @@
//
// cpp03/can_query_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
};
namespace asio {
template<>
struct is_applicable_property<object, prop>
{
static const bool value = true;
};
namespace traits {
template<>
struct static_query<object, prop>
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef int result_type;
static int value() { return 123; }
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_query<object, prop>::value));
assert((asio::can_query<const object, prop>::value));
}

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@@ -0,0 +1,36 @@
//
// cpp03/can_query_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
};
namespace asio {
template <>
struct is_applicable_property<object, prop>
{
static const bool value = true;
};
} // namespace asio
int main()
{
assert((!asio::can_query<object, prop>::value));
assert((!asio::can_query<const object, prop>::value));
}

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//
// cpp03/can_require_concept_free.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable_concept = true;
};
template <int>
struct object
{
template <int N>
friend object<N> require_concept(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_concept_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_require_concept<object<1>, prop<2> >::value));
assert((asio::can_require_concept<const object<1>, prop<2> >::value));
}

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//
// cpp03/can_require_concept_member.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable_concept = true;
};
template <int>
struct object
{
template <int N>
object<N> require_concept(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_concept_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_require_concept<object<1>, prop<2> >::value));
assert((asio::can_require_concept<const object<1>, prop<2> >::value));
}

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@@ -0,0 +1,48 @@
//
// cpp03/can_require_concept_not_applicable_free.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable_concept = true;
};
template <int>
struct object
{
template <int N>
friend object<N> require_concept(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
namespace traits {
template<int N, int M>
struct require_concept_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_require_concept<object<1>, prop<2> >::value));
assert((!asio::can_require_concept<const object<1>, prop<2> >::value));
}

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@@ -0,0 +1,48 @@
//
// cpp03/can_require_concept_not_applicable_member.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable_concept = true;
};
template <int>
struct object
{
template <int N>
object<N> require_concept(prop<N>) const
{
return object<N>();
}
};
namespace asio {
namespace traits {
template<int N, int M>
struct require_concept_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_require_concept<object<1>, prop<2> >::value));
assert((!asio::can_require_concept<const object<1>, prop<2> >::value));
}

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@@ -0,0 +1,41 @@
//
// cpp03/can_require_concept_not_applicable_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable_concept = true;
};
template <int>
struct object
{
};
namespace asio {
namespace traits {
template<int N>
struct static_require_concept<object<N>, prop<N> >
{
static const bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_require_concept<object<1>, prop<2> >::value));
assert((!asio::can_require_concept<const object<1>, prop<2> >::value));
}

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//
// cpp03/can_require_concept_not_applicable_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
};
template <int>
struct object
{
};
int main()
{
assert((!asio::can_require_concept<object<1>, prop<2> >::value));
assert((!asio::can_require_concept<const object<1>, prop<2> >::value));
}

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//
// cpp03/can_require_concept_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable_concept = true;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N>
struct static_require_concept<object<N>, prop<N> >
{
static const bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_require_concept<object<1>, prop<1> >::value));
assert((asio::can_require_concept<const object<1>, prop<1> >::value));
}

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@@ -0,0 +1,38 @@
//
// cpp03/can_require_concept_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
} // namespace asio
int main()
{
assert((!asio::can_require_concept<object<1>, prop<2> >::value));
assert((!asio::can_require_concept<const object<1>, prop<2> >::value));
}

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//
// cpp03/can_require_free.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable = true;
};
template <int>
struct object
{
template <int N>
friend object<N> require(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_require<object<1>, prop<2> >::value));
assert((asio::can_require<object<1>, prop<2>, prop<3> >::value));
assert((asio::can_require<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((asio::can_require<const object<1>, prop<2> >::value));
assert((asio::can_require<const object<1>, prop<2>, prop<3> >::value));
assert((asio::can_require<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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@@ -0,0 +1,59 @@
//
// cpp03/can_require_member.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable = true;
};
template <int>
struct object
{
template <int N>
object<N> require(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_require<object<1>, prop<2> >::value));
assert((asio::can_require<object<1>, prop<2>, prop<3> >::value));
assert((asio::can_require<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((asio::can_require<const object<1>, prop<2> >::value));
assert((asio::can_require<const object<1>, prop<2>, prop<3> >::value));
assert((asio::can_require<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_require_not_applicable_free.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable = true;
};
template <int>
struct object
{
template <int N>
friend object<N> require(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
namespace traits {
template<int N, int M>
struct require_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_require<object<1>, prop<2> >::value));
assert((!asio::can_require<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_require<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_require<const object<1>, prop<2> >::value));
assert((!asio::can_require<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_require<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/can_require_not_applicable_member.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable = true;
};
template <int>
struct object
{
template <int N>
object<N> require(prop<N>) const
{
return object<N>();
}
};
namespace asio {
namespace traits {
template<int N, int M>
struct require_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_require<object<1>, prop<2> >::value));
assert((!asio::can_require<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_require<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_require<const object<1>, prop<2> >::value));
assert((!asio::can_require<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_require<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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@@ -0,0 +1,45 @@
//
// cpp03/can_require_not_applicable_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable = true;
};
template <int>
struct object
{
};
namespace asio {
namespace traits {
template<int N>
struct static_require<object<N>, prop<N> >
{
static const bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
assert((!asio::can_require<object<1>, prop<1> >::value));
assert((!asio::can_require<object<1>, prop<1>, prop<1> >::value));
assert((!asio::can_require<object<1>, prop<1>, prop<1>, prop<1> >::value));
assert((!asio::can_require<const object<1>, prop<1> >::value));
assert((!asio::can_require<const object<1>, prop<1>, prop<1> >::value));
assert((!asio::can_require<const object<1>, prop<1>, prop<1>, prop<1> >::value));
}

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@@ -0,0 +1,32 @@
//
// cpp03/can_require_not_applicable_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require.hpp"
#include <cassert>
template <int>
struct prop
{
};
template <int>
struct object
{
};
int main()
{
assert((!asio::can_require<object<1>, prop<2> >::value));
assert((!asio::can_require<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_require<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_require<const object<1>, prop<2> >::value));
assert((!asio::can_require<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_require<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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@@ -0,0 +1,52 @@
//
// cpp03/can_require_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable = true;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N>
struct static_require<object<N>, prop<N> >
{
static const bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
assert((asio::can_require<object<1>, prop<1> >::value));
assert((asio::can_require<object<1>, prop<1>, prop<1> >::value));
assert((asio::can_require<object<1>, prop<1>, prop<1>, prop<1> >::value));
assert((asio::can_require<const object<1>, prop<1> >::value));
assert((asio::can_require<const object<1>, prop<1>, prop<1> >::value));
assert((asio::can_require<const object<1>, prop<1>, prop<1>, prop<1> >::value));
}

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//
// cpp03/can_require_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require.hpp"
#include <cassert>
template <int>
struct prop
{
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
} // namespace asio
int main()
{
assert((!asio::can_require<object<1>, prop<2> >::value));
assert((!asio::can_require<object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_require<object<1>, prop<2>, prop<3>, prop<4> >::value));
assert((!asio::can_require<const object<1>, prop<2> >::value));
assert((!asio::can_require<const object<1>, prop<2>, prop<3> >::value));
assert((!asio::can_require<const object<1>, prop<2>, prop<3>, prop<4> >::value));
}

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//
// cpp03/prefer_free_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
friend object<N> prefer(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct prefer_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
object<1> o1 = {};
object<2> o2 = asio::prefer(o1, prop<2>());
object<3> o3 = asio::prefer(o1, prop<2>(), prop<3>());
object<4> o4 = asio::prefer(o1, prop<2>(), prop<3>(), prop<4>());
(void)o2;
(void)o3;
(void)o4;
const object<1> o5 = {};
object<2> o6 = asio::prefer(o5, prop<2>());
object<3> o7 = asio::prefer(o5, prop<2>(), prop<3>());
object<4> o8 = asio::prefer(o5, prop<2>(), prop<3>(), prop<4>());
(void)o6;
(void)o7;
(void)o8;
}

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//
// cpp03/prefer_free_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
friend object<N> require(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
object<1> o1 = {};
object<2> o2 = asio::prefer(o1, prop<2>());
object<3> o3 = asio::prefer(o1, prop<2>(), prop<3>());
object<4> o4 = asio::prefer(o1, prop<2>(), prop<3>(), prop<4>());
(void)o2;
(void)o3;
(void)o4;
const object<1> o5 = {};
object<2> o6 = asio::prefer(o5, prop<2>());
object<3> o7 = asio::prefer(o5, prop<2>(), prop<3>());
object<4> o8 = asio::prefer(o5, prop<2>(), prop<3>(), prop<4>());
(void)o6;
(void)o7;
(void)o8;
}

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//
// cpp03/prefer_member_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
object<N> prefer(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct prefer_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
object<1> o1 = {};
object<2> o2 = asio::prefer(o1, prop<2>());
object<3> o3 = asio::prefer(o1, prop<2>(), prop<3>());
object<4> o4 = asio::prefer(o1, prop<2>(), prop<3>(), prop<4>());
(void)o2;
(void)o3;
(void)o4;
const object<1> o5 = {};
object<2> o6 = asio::prefer(o5, prop<2>());
object<3> o7 = asio::prefer(o5, prop<2>(), prop<3>());
object<4> o8 = asio::prefer(o5, prop<2>(), prop<3>(), prop<4>());
(void)o6;
(void)o7;
(void)o8;
}

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//
// cpp03/prefer_member_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
object<N> require(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
object<1> o1 = {};
object<2> o2 = asio::prefer(o1, prop<2>());
object<3> o3 = asio::prefer(o1, prop<2>(), prop<3>());
object<4> o4 = asio::prefer(o1, prop<2>(), prop<3>(), prop<4>());
(void)o2;
(void)o3;
(void)o4;
const object<1> o5 = {};
object<2> o6 = asio::prefer(o5, prop<2>());
object<3> o7 = asio::prefer(o5, prop<2>(), prop<3>());
object<4> o8 = asio::prefer(o5, prop<2>(), prop<3>(), prop<4>());
(void)o6;
(void)o7;
(void)o8;
}

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//
// cpp03/prefer_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N>
struct static_require<object<N>, prop<N> >
{
static const bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
object<1> o1 = {};
object<1> o2 = asio::prefer(o1, prop<1>());
object<1> o3 = asio::prefer(o1, prop<1>(), prop<1>());
object<1> o4 = asio::prefer(o1, prop<1>(), prop<1>(), prop<1>());
(void)o2;
(void)o3;
(void)o4;
const object<1> o5 = {};
object<1> o6 = asio::prefer(o5, prop<1>());
object<1> o7 = asio::prefer(o5, prop<1>(), prop<1>());
object<1> o8 = asio::prefer(o5, prop<1>(), prop<1>(), prop<1>());
(void)o6;
(void)o7;
(void)o8;
}

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//
// cpp03/prefer_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_preferable = true;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
} // namespace asio
int main()
{
object<1> o1 = {};
const object<1>& o2 = asio::prefer(o1, prop<1>());
assert(&o1 == &o2);
(void)o2;
const object<1> o3 = {};
const object<1>& o4 = asio::prefer(o3, prop<1>());
assert(&o3 == &o4);
(void)o4;
}

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//
// cpp03/query_free.cpp
// ~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
friend int query(const object&, prop) { return 123; }
};
namespace asio {
template<>
struct is_applicable_property<object, prop>
{
static const bool value = true;
};
namespace traits {
template<>
struct query_free<object, prop>
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef int result_type;
};
} // namespace traits
} // namespace asio
int main()
{
object o1 = {};
int result1 = asio::query(o1, prop());
assert(result1 == 123);
(void)result1;
const object o2 = {};
int result2 = asio::query(o2, prop());
assert(result2 == 123);
(void)result2;
}

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//
// cpp03/query_member.cpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
int query(prop) const { return 123; }
};
namespace asio {
template<>
struct is_applicable_property<object, prop>
{
static const bool value = true;
};
namespace traits {
template<>
struct query_member<object, prop>
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef int result_type;
};
} // namespace traits
} // namespace asio
int main()
{
object o1 = {};
int result1 = asio::query(o1, prop());
assert(result1 == 123);
(void)result1;
const object o2 = {};
int result2 = asio::query(o2, prop());
assert(result2 == 123);
(void)result2;
}

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//
// cpp03/query_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
};
namespace asio {
template<>
struct is_applicable_property<object, prop>
{
static const bool value = true;
};
namespace traits {
template<>
struct static_query<object, prop>
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef int result_type;
static int value() { return 123; }
};
} // namespace traits
} // namespace asio
int main()
{
object o1 = {};
int result1 = asio::query(o1, prop());
assert(result1 == 123);
(void)result1;
const object o2 = {};
int result2 = asio::query(o2, prop());
assert(result2 == 123);
(void)result2;
}

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//
// cpp03/require_concept_free.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable_concept = true;
};
template <int>
struct object
{
template <int N>
friend object<N> require_concept(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_concept_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
object<1> o1 = {};
object<2> o2 = asio::require_concept(o1, prop<2>());
(void)o2;
const object<1> o3 = {};
object<2> o4 = asio::require_concept(o3, prop<2>());
(void)o4;
}

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//
// cpp03/require_concept_member.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable_concept = true;
};
template <int>
struct object
{
template <int N>
object<N> require_concept(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_concept_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
object<1> o1 = {};
object<2> o2 = asio::require_concept(o1, prop<2>());
(void)o2;
const object<1> o3 = {};
object<2> o4 = asio::require_concept(o3, prop<2>());
(void)o4;
}

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//
// cpp03/require_concept_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable_concept = true;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N>
struct static_require_concept<object<N>, prop<N> >
{
static const bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
object<1> o1 = {};
const object<1>& o2 = asio::require_concept(o1, prop<1>());
assert(&o1 == &o2);
(void)o2;
const object<1> o3 = {};
const object<1>& o4 = asio::require_concept(o3, prop<1>());
assert(&o3 == &o4);
(void)o4;
}

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//
// cpp03/require_free.cpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable = true;
};
template <int>
struct object
{
template <int N>
friend object<N> require(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_free<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
object<1> o1 = {};
object<2> o2 = asio::require(o1, prop<2>());
object<3> o3 = asio::require(o1, prop<2>(), prop<3>());
object<4> o4 = asio::require(o1, prop<2>(), prop<3>(), prop<4>());
(void)o2;
(void)o3;
(void)o4;
const object<1> o5 = {};
object<2> o6 = asio::require(o5, prop<2>());
object<3> o7 = asio::require(o5, prop<2>(), prop<3>());
object<4> o8 = asio::require(o5, prop<2>(), prop<3>(), prop<4>());
(void)o6;
(void)o7;
(void)o8;
}

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//
// cpp03/require_member.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable = true;
};
template <int>
struct object
{
template <int N>
object<N> require(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N, int M>
struct require_member<object<N>, prop<M> >
{
static const bool is_valid = true;
static const bool is_noexcept = true;
typedef object<M> result_type;
};
} // namespace traits
} // namespace asio
int main()
{
object<1> o1 = {};
object<2> o2 = asio::require(o1, prop<2>());
object<3> o3 = asio::require(o1, prop<2>(), prop<3>());
object<4> o4 = asio::require(o1, prop<2>(), prop<3>(), prop<4>());
(void)o2;
(void)o3;
(void)o4;
const object<1> o5 = {};
object<2> o6 = asio::require(o5, prop<2>());
object<3> o7 = asio::require(o5, prop<2>(), prop<3>());
object<4> o8 = asio::require(o5, prop<2>(), prop<3>(), prop<4>());
(void)o6;
(void)o7;
(void)o8;
}

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//
// cpp03/require_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require.hpp"
#include <cassert>
template <int>
struct prop
{
static const bool is_requirable = true;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static const bool value = true;
};
namespace traits {
template<int N>
struct static_require<object<N>, prop<N> >
{
static const bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
object<1> o1 = {};
object<1> o2 = asio::require(o1, prop<1>());
object<1> o3 = asio::require(o1, prop<1>(), prop<1>());
object<1> o4 = asio::require(o1, prop<1>(), prop<1>(), prop<1>());
(void)o2;
(void)o3;
(void)o4;
const object<1> o5 = {};
object<1> o6 = asio::require(o5, prop<1>());
object<1> o7 = asio::require(o5, prop<1>(), prop<1>());
object<1> o8 = asio::require(o5, prop<1>(), prop<1>(), prop<1>());
(void)o6;
(void)o7;
(void)o8;
}

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//
// cpp11/can_prefer_free_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
friend constexpr object<N> prefer(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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//
// cpp11/can_prefer_free_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
friend constexpr object<N> require(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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//
// cpp11/can_prefer_member_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
constexpr object<N> prefer(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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//
// cpp11/can_prefer_member_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
constexpr object<N> require(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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//
// cpp11/can_prefer_not_applicable_free_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
friend constexpr object<N> prefer(const object&, prop<N>)
{
return object<N>();
}
};
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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//
// cpp11/can_prefer_not_applicable_free_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
friend constexpr object<N> require(const object&, prop<N>)
{
return object<N>();
}
};
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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@@ -0,0 +1,38 @@
//
// cpp11/can_prefer_not_applicable_member_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
constexpr object<N> prefer(prop<N>) const
{
return object<N>();
}
};
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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@@ -0,0 +1,38 @@
//
// cpp11/can_prefer_not_applicable_member_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
template <int N>
constexpr object<N> require(prop<N>) const
{
return object<N>();
}
};
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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@@ -0,0 +1,45 @@
//
// cpp11/can_prefer_not_applicable_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
};
namespace asio {
namespace traits {
template<int N>
struct static_require<object<N>, prop<N> >
{
static constexpr bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<1>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<1>, prop<1>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<1>, prop<1>, prop<1>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<1>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<1>, prop<1>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<1>, prop<1>, prop<1>>::value, "");
}

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@@ -0,0 +1,33 @@
//
// cpp11/can_prefer_not_applicable_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
};
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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@@ -0,0 +1,48 @@
//
// cpp11/can_prefer_not_preferable_free_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = false;
};
template <int>
struct object
{
template <int N>
friend constexpr object<N> prefer(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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@@ -0,0 +1,48 @@
//
// cpp11/can_prefer_not_preferable_free_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = false;
};
template <int>
struct object
{
template <int N>
friend constexpr object<N> require(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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@@ -0,0 +1,48 @@
//
// cpp11/can_prefer_not_preferable_member_prefer.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = false;
};
template <int>
struct object
{
template <int N>
constexpr object<N> prefer(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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@@ -0,0 +1,48 @@
//
// cpp11/can_prefer_not_preferable_member_require.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = false;
};
template <int>
struct object
{
template <int N>
constexpr object<N> require(prop<N>) const
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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@@ -0,0 +1,43 @@
//
// cpp11/can_prefer_not_preferable_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = false;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<1>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<1>, prop<1>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<1>, prop<1>, prop<1>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<1>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<1>, prop<1>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<1>, prop<1>, prop<1>>::value, "");
}

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@@ -0,0 +1,43 @@
//
// cpp11/can_prefer_not_preferable_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = false;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(!asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(!asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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//
// cpp11/can_prefer_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
namespace traits {
template<int N>
struct static_require<object<N>, prop<N> >
{
static constexpr bool is_valid = true;
};
} // namespace traits
} // namespace asio
int main()
{
static_assert(asio::can_prefer<object<1>, prop<1>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<1>, prop<1>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<1>, prop<1>, prop<1>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<1>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<1>, prop<1>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<1>, prop<1>, prop<1>>::value, "");
}

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@@ -0,0 +1,43 @@
//
// cpp11/can_prefer_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/prefer.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_preferable = true;
};
template <int>
struct object
{
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(asio::can_prefer<object<1>, prop<2>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<2>, prop<3>>::value, "");
static_assert(asio::can_prefer<object<1>, prop<2>, prop<3>, prop<4>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>, prop<3>>::value, "");
static_assert(asio::can_prefer<const object<1>, prop<2>, prop<3>, prop<4>>::value, "");
}

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//
// cpp11/can_query_free.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
friend constexpr int query(const object&, prop) { return 123; }
};
namespace asio {
template<>
struct is_applicable_property<object, prop>
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(asio::can_query<object, prop>::value, "");
static_assert(asio::can_query<const object, prop>::value, "");
}

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@@ -0,0 +1,37 @@
//
// cpp11/can_query_member.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
constexpr int query(prop) const { return 123; }
};
namespace asio {
template<>
struct is_applicable_property<object, prop>
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(asio::can_query<object, prop>::value, "");
static_assert(asio::can_query<const object, prop>::value, "");
}

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@@ -0,0 +1,27 @@
//
// cpp11/can_query_not_applicable_free.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
friend constexpr int query(const object&, prop) { return 123; }
};
int main()
{
static_assert(!asio::can_query<object, prop>::value, "");
static_assert(!asio::can_query<const object, prop>::value, "");
}

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@@ -0,0 +1,27 @@
//
// cpp11/can_query_not_applicable_member.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
constexpr int query(prop) const { return 123; }
};
int main()
{
static_assert(!asio::can_query<object, prop>::value, "");
static_assert(!asio::can_query<const object, prop>::value, "");
}

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@@ -0,0 +1,41 @@
//
// cpp11/can_query_not_applicable_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
};
namespace asio {
namespace traits {
template<>
struct static_query<object, prop>
{
static constexpr bool is_valid = true;
static constexpr bool is_noexcept = true;
typedef int result_type;
static constexpr int value() { return 123; }
};
} // namespace traits
} // namespace asio
int main()
{
static_assert(!asio::can_query<object, prop>::value, "");
static_assert(!asio::can_query<const object, prop>::value, "");
}

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//
// cpp11/can_query_not_applicable_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
};
int main()
{
static_assert(!asio::can_query<object, prop>::value, "");
static_assert(!asio::can_query<const object, prop>::value, "");
}

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@@ -0,0 +1,48 @@
//
// cpp11/can_query_static.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
};
namespace asio {
template<>
struct is_applicable_property<object, prop>
{
static constexpr bool value = true;
};
namespace traits {
template<>
struct static_query<object, prop>
{
static constexpr bool is_valid = true;
static constexpr bool is_noexcept = true;
typedef int result_type;
static constexpr int value() { return 123; }
};
} // namespace traits
} // namespace asio
int main()
{
static_assert(asio::can_query<object, prop>::value, "");
static_assert(asio::can_query<const object, prop>::value, "");
}

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//
// cpp11/can_query_unsupported.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/query.hpp"
#include <cassert>
struct prop
{
};
struct object
{
};
namespace asio {
template<>
struct is_applicable_property<object, prop>
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(!asio::can_query<object, prop>::value, "");
static_assert(!asio::can_query<const object, prop>::value, "");
}

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//
// cpp11/can_require_concept_free.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio/require_concept.hpp"
#include <cassert>
template <int>
struct prop
{
static constexpr bool is_requirable_concept = true;
};
template <int>
struct object
{
template <int N>
friend constexpr object<N> require_concept(const object&, prop<N>)
{
return object<N>();
}
};
namespace asio {
template<int N, int M>
struct is_applicable_property<object<N>, prop<M> >
{
static constexpr bool value = true;
};
} // namespace asio
int main()
{
static_assert(asio::can_require_concept<object<1>, prop<2>>::value, "");
static_assert(asio::can_require_concept<const object<1>, prop<2>>::value, "");
}

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