Initial Commit - Lesson 31 (Commit #1)
This commit is contained in:
Norman Lansing
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Plugins/GameLiftServerSDK/ThirdParty/concurrentqueue/benchmarks/dlib/interfaces/remover.h
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Plugins/GameLiftServerSDK/ThirdParty/concurrentqueue/benchmarks/dlib/interfaces/remover.h
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// Copyright (C) 2005 Davis E. King (davis@dlib.net)
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// License: Boost Software License See LICENSE.txt for the full license.
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#ifndef DLIB_REMOVER_KERNEl_INTERFACE_
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#define DLIB_REMOVER_KERNEl_INTERFACE_
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#include <functional>
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namespace dlib
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{
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template <
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typename T
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>
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class remover
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{
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/*!
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REQUIREMENTS ON T
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T is swappable by a global swap() and
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T must have a default constructor
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POINTERS AND REFERENCES TO INTERNAL DATA
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The size() function does not invalidate pointers or
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references to internal data. All other functions have no such
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guarantee.
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WHAT THIS OBJECT REPRESENTS
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This object represents some generalized interface for removing
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single items from container classes.
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!*/
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public:
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typedef T type;
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virtual ~remover(
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);
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/*!
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ensures
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- all resources associated with *this have been released.
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!*/
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virtual void remove_any (
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T& item
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) = 0;
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/*!
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requires
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- size() != 0
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ensures
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- #size() == size() - 1
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- removes an element from *this and swaps it into item.
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- if (*this implements the enumerable interface) then
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- #at_start() == true
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!*/
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virtual size_t size (
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) const = 0;
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/*!
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ensures
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- returns the number of elements in *this
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!*/
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protected:
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// restricted functions
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remover& operator=(const remover&) {return *this;} // assignment operator
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};
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// ----------------------------------------------------------------------------------------
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template <
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typename T,
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typename compare
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>
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class asc_remover : public remover<T>
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{
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/*!
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REQUIREMENTS ON T
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T is swappable by a global swap() and
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T must have a default constructor and
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T must be comparable by compare where compare is a functor compatible with std::less
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WHAT THIS OBJECT REPRESENTS
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This object represents the same thing as remover except
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that remove_any() will remove elements in ascending order
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according to the compare functor.
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!*/
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public:
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typedef compare compare_type;
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protected:
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// restricted functions
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asc_remover& operator=(const asc_remover&) {return *this;} // assignment operator
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};
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range
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>
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class pair_remover
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{
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/*!
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REQUIREMENTS ON domain
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domain is swappable by a global swap() and
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domain must have a default constructor
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REQUIREMENTS ON range
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range is swappable by a global swap() and
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range must have a default constructor
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POINTERS AND REFERENCES TO INTERNAL DATA
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The size() function does not invalidate pointers or
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references to internal data. All other functions have no such
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guarantee.
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WHAT THIS OBJECT REPRESENTS
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This object represents some generalized interface for removing
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pairs from container classes which enforce some kind of pairing on
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the elements that they contain.
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!*/
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public:
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typedef domain domain_type;
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typedef range range_type;
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virtual ~pair_remover(
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);
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/*!
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ensures
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- all resources associated with *this have been released.
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!*/
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virtual void remove_any (
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domain& d,
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range& r
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) = 0;
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/*!
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requires
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- &d != &r (i.e. d and r cannot be the same variable)
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- size() != 0
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ensures
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- #size() == size() - 1
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- removes an element from the domain of *this and swaps it
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into d.
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- removes the element in *this's range that is associated
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with #d and swaps it into r.
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- if (*this implements the enumerable interface) then
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- #at_start() == true
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!*/
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virtual size_t size (
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) const = 0;
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/*!
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ensures
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- returns the number of elements in *this
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!*/
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protected:
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// restricted functions
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pair_remover& operator=(const pair_remover&) {return *this;} // assignment operator
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};
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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typename compare
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>
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class asc_pair_remover : public pair_remover<domain,range>
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{
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/*!
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REQUIREMENTS ON domain
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domain is swappable by a global swap() and
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domain must have a default constructor and
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domain must be comparable by compare where compare is a functor compatible with std::less
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REQUIREMENTS ON range
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range is swappable by a global swap() and
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range must have a default constructor
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WHAT THIS OBJECT REPRESENTS
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This object represents the same thing as pair_remover except
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that remove_any() will remove domain elements in ascending
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order according to the compare functor.
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!*/
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public:
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typedef compare compare_type;
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protected:
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// restricted functions
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asc_pair_remover& operator=(const asc_pair_remover&) {return *this;} // assignment operator
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};
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// ----------------------------------------------------------------------------------------
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// destructor does nothing
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template <typename T>
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remover<T>::~remover() {}
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// destructor does nothing
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template <typename domain, typename range>
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pair_remover<domain,range>::~pair_remover() {}
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// ----------------------------------------------------------------------------------------
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}
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#endif // DLIB_REMOVER_KERNEl_INTERFACE_
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