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Merge pull request #2 from chris-hld/mxe
Update Toolchain and Asio lib
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,131 @@ | ||
| // | ||
| // associated_allocator.hpp | ||
| // ~~~~~~~~~~~~~~~~~~~~~~~~ | ||
| // | ||
| // Copyright (c) 2003-2018 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) | ||
| // | ||
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| #ifndef ASIO_ASSOCIATED_ALLOCATOR_HPP | ||
| #define ASIO_ASSOCIATED_ALLOCATOR_HPP | ||
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| #if defined(_MSC_VER) && (_MSC_VER >= 1200) | ||
| # pragma once | ||
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | ||
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| #include "asio/detail/config.hpp" | ||
| #include <memory> | ||
| #include "asio/detail/type_traits.hpp" | ||
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| #include "asio/detail/push_options.hpp" | ||
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| namespace asio { | ||
| namespace detail { | ||
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| template <typename> | ||
| struct associated_allocator_check | ||
| { | ||
| typedef void type; | ||
| }; | ||
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| template <typename T, typename E, typename = void> | ||
| struct associated_allocator_impl | ||
| { | ||
| typedef E type; | ||
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| static type get(const T&, const E& e) ASIO_NOEXCEPT | ||
| { | ||
| return e; | ||
| } | ||
| }; | ||
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| template <typename T, typename E> | ||
| struct associated_allocator_impl<T, E, | ||
| typename associated_allocator_check<typename T::allocator_type>::type> | ||
| { | ||
| typedef typename T::allocator_type type; | ||
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| static type get(const T& t, const E&) ASIO_NOEXCEPT | ||
| { | ||
| return t.get_allocator(); | ||
| } | ||
| }; | ||
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| } // namespace detail | ||
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| /// Traits type used to obtain the allocator associated with an object. | ||
| /** | ||
| * A program may specialise this traits type if the @c T template parameter in | ||
| * the specialisation is a user-defined type. The template parameter @c | ||
| * Allocator shall be a type meeting the Allocator requirements. | ||
| * | ||
| * Specialisations shall meet the following requirements, where @c t is a const | ||
| * reference to an object of type @c T, and @c a is an object of type @c | ||
| * Allocator. | ||
| * | ||
| * @li Provide a nested typedef @c type that identifies a type meeting the | ||
| * Allocator requirements. | ||
| * | ||
| * @li Provide a noexcept static member function named @c get, callable as @c | ||
| * get(t) and with return type @c type. | ||
| * | ||
| * @li Provide a noexcept static member function named @c get, callable as @c | ||
| * get(t,a) and with return type @c type. | ||
| */ | ||
| template <typename T, typename Allocator = std::allocator<void> > | ||
| struct associated_allocator | ||
| { | ||
| /// If @c T has a nested type @c allocator_type, <tt>T::allocator_type</tt>. | ||
| /// Otherwise @c Allocator. | ||
| #if defined(GENERATING_DOCUMENTATION) | ||
| typedef see_below type; | ||
| #else // defined(GENERATING_DOCUMENTATION) | ||
| typedef typename detail::associated_allocator_impl<T, Allocator>::type type; | ||
| #endif // defined(GENERATING_DOCUMENTATION) | ||
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| /// If @c T has a nested type @c allocator_type, returns | ||
| /// <tt>t.get_allocator()</tt>. Otherwise returns @c a. | ||
| static type get(const T& t, | ||
| const Allocator& a = Allocator()) ASIO_NOEXCEPT | ||
| { | ||
| return detail::associated_allocator_impl<T, Allocator>::get(t, a); | ||
| } | ||
| }; | ||
|
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| /// Helper function to obtain an object's associated allocator. | ||
| /** | ||
| * @returns <tt>associated_allocator<T>::get(t)</tt> | ||
| */ | ||
| template <typename T> | ||
| inline typename associated_allocator<T>::type | ||
| get_associated_allocator(const T& t) ASIO_NOEXCEPT | ||
| { | ||
| return associated_allocator<T>::get(t); | ||
| } | ||
|
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| /// Helper function to obtain an object's associated allocator. | ||
| /** | ||
| * @returns <tt>associated_allocator<T, Allocator>::get(t, a)</tt> | ||
| */ | ||
| template <typename T, typename Allocator> | ||
| inline typename associated_allocator<T, Allocator>::type | ||
| get_associated_allocator(const T& t, const Allocator& a) ASIO_NOEXCEPT | ||
| { | ||
| return associated_allocator<T, Allocator>::get(t, a); | ||
| } | ||
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| #if defined(ASIO_HAS_ALIAS_TEMPLATES) | ||
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| template <typename T, typename Allocator = std::allocator<void> > | ||
| using associated_allocator_t | ||
| = typename associated_allocator<T, Allocator>::type; | ||
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| #endif // defined(ASIO_HAS_ALIAS_TEMPLATES) | ||
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| } // namespace asio | ||
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| #include "asio/detail/pop_options.hpp" | ||
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| #endif // ASIO_ASSOCIATED_ALLOCATOR_HPP |
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