74 lines
2.7 KiB
Plaintext
74 lines
2.7 KiB
Plaintext
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// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
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// (C) Copyright Eric Friedman 2002-2003.
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// (C) Copyright Antony Polukhin 2013.
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// Use, modification and distribution are subject to the Boost Software License,
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// 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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//
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// See http://www.boost.org/libs/type_traits for most recent version including documentation.
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#ifndef BOOST_TT_HAS_TRIVIAL_MOVE_ASSIGN_HPP_INCLUDED
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#define BOOST_TT_HAS_TRIVIAL_MOVE_ASSIGN_HPP_INCLUDED
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#include <cstddef> // size_t
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#include <boost/type_traits/intrinsics.hpp>
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#include <boost/type_traits/integral_constant.hpp>
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#if !defined(BOOST_HAS_TRIVIAL_MOVE_ASSIGN) || defined(BOOST_MSVC) || defined(BOOST_INTEL)
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#include <boost/type_traits/is_pod.hpp>
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#include <boost/type_traits/is_const.hpp>
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#include <boost/type_traits/is_volatile.hpp>
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#ifdef BOOST_MSVC
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#include <boost/type_traits/is_reference.hpp>
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#endif
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#endif
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#if defined(__GNUC__) || defined(__clang)
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#include <boost/type_traits/is_assignable.hpp>
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#include <boost/type_traits/is_volatile.hpp>
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#endif
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#ifdef __SUNPRO_CC
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#include <boost/type_traits/is_assignable.hpp>
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#include <boost/type_traits/remove_const.hpp>
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#if __cplusplus >= 201103
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#define SOLARIS_EXTRA_CHECK && is_assignable<typename remove_const<T>::type&, typename remove_const<T>::type&&>::value
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#endif
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#endif
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#ifndef SOLARIS_EXTRA_CHECK
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#define SOLARIS_EXTRA_CHECK
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#endif
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namespace boost{
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template <typename T>
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struct has_trivial_move_assign : public integral_constant<bool,
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#ifdef BOOST_HAS_TRIVIAL_MOVE_ASSIGN
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BOOST_HAS_TRIVIAL_MOVE_ASSIGN(T)
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#else
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::boost::is_pod<T>::value && !::boost::is_const<T>::value && !::boost::is_volatile<T>::value SOLARIS_EXTRA_CHECK
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#endif
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> {};
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template <> struct has_trivial_move_assign<void> : public false_type{};
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#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
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template <> struct has_trivial_move_assign<void const> : public false_type{};
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template <> struct has_trivial_move_assign<void const volatile> : public false_type{};
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template <> struct has_trivial_move_assign<void volatile> : public false_type{};
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#endif
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template <class T> struct has_trivial_move_assign<T&> : public false_type{};
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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template <class T> struct has_trivial_move_assign<T&&> : public false_type{};
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#endif
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// Array types are not assignable:
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template <class T, std::size_t N> struct has_trivial_move_assign<T[N]> : public false_type{};
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template <class T> struct has_trivial_move_assign<T[]> : public false_type{};
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} // namespace boost
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#undef SOLARIS_EXTRA_CHECK
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#endif // BOOST_TT_HAS_TRIVIAL_MOVE_ASSIGN_HPP_INCLUDED
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