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