mirror of https://github.com/saitohirga/WSJT-X.git
51 lines
3.0 KiB
C++
51 lines
3.0 KiB
C++
#ifndef BOOST_SERIALIZATION_STRONG_TYPEDEF_HPP
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#define BOOST_SERIALIZATION_STRONG_TYPEDEF_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER)
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# pragma once
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#endif
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// strong_typedef.hpp:
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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// (C) Copyright 2016 Ashish Sadanandan
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/serialization for updates, documentation, and revision history.
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// macro used to implement a strong typedef. strong typedef
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// guarentees that two types are distinguised even though the
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// share the same underlying implementation. typedef does not create
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// a new type. BOOST_STRONG_TYPEDEF(T, D) creates a new type named D
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// that operates as a type T.
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#include <boost/config.hpp>
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#include <boost/operators.hpp>
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#include <boost/type_traits/has_nothrow_assign.hpp>
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#include <boost/type_traits/has_nothrow_constructor.hpp>
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#include <boost/type_traits/has_nothrow_copy.hpp>
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#define BOOST_STRONG_TYPEDEF(T, D) \
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struct D \
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: boost::totally_ordered1< D \
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, boost::totally_ordered2< D, T \
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> > \
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{ \
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T t; \
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explicit D(const T& t_) BOOST_NOEXCEPT_IF(boost::has_nothrow_copy_constructor<T>::value) : t(t_) {} \
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D() BOOST_NOEXCEPT_IF(boost::has_nothrow_default_constructor<T>::value) : t() {} \
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D(const D & t_) BOOST_NOEXCEPT_IF(boost::has_nothrow_copy_constructor<T>::value) : t(t_.t) {} \
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D& operator=(const D& rhs) BOOST_NOEXCEPT_IF(boost::has_nothrow_assign<T>::value) {t = rhs.t; return *this;} \
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D& operator=(const T& rhs) BOOST_NOEXCEPT_IF(boost::has_nothrow_assign<T>::value) {t = rhs; return *this;} \
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operator const T&() const {return t;} \
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operator T&() {return t;} \
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bool operator==(const D& rhs) const {return t == rhs.t;} \
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bool operator<(const D& rhs) const {return t < rhs.t;} \
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};
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#endif // BOOST_SERIALIZATION_STRONG_TYPEDEF_HPP
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