79 lines
2.9 KiB
Plaintext
79 lines
2.9 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_CONSTRUCTOR_HPP_INCLUDED
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#define BOOST_TT_HAS_TRIVIAL_MOVE_CONSTRUCTOR_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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#ifdef BOOST_HAS_TRIVIAL_MOVE_CONSTRUCTOR
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#if 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_volatile.hpp>
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#endif
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#if defined(__GNUC__) || defined(__clang)
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#include <boost/type_traits/is_constructible.hpp>
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#include <boost/type_traits/is_volatile.hpp>
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#endif
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namespace boost {
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template <typename T> struct has_trivial_move_constructor : public integral_constant<bool, BOOST_HAS_TRIVIAL_MOVE_CONSTRUCTOR(T)>{};
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#else
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#ifdef __SUNPRO_CC
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#include <boost/type_traits/is_constructible.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_constructible<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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#include <boost/type_traits/is_pod.hpp>
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#include <boost/type_traits/is_volatile.hpp>
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namespace boost {
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template <typename T> struct has_trivial_move_constructor
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: public integral_constant<bool, ::boost::is_pod<T>::value && !::boost::is_volatile<T>::value SOLARIS_EXTRA_CHECK>{};
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#undef SOLARIS_EXTRA_CHECK
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#endif
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template <> struct has_trivial_move_constructor<void> : public false_type{};
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#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
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template <> struct has_trivial_move_constructor<void const> : public false_type{};
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template <> struct has_trivial_move_constructor<void volatile> : public false_type{};
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template <> struct has_trivial_move_constructor<void const volatile> : public false_type{};
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#endif
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// What should we do with reference types??? The standard seems to suggest these are trivial, even if the thing they reference is not:
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template <class T> struct has_trivial_move_constructor<T&> : public true_type{};
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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template <class T> struct has_trivial_move_constructor<T&&> : public true_type{};
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#endif
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// Arrays can not be explicitly copied:
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template <class T, std::size_t N> struct has_trivial_move_constructor<T[N]> : public false_type{};
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template <class T> struct has_trivial_move_constructor<T[]> : public false_type{};
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} // namespace boost
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#endif // BOOST_TT_HAS_TRIVIAL_MOVE_CONSTRUCTOR_HPP_INCLUDED
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