| |
| // (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_CONSTRUCTOR_HPP_INCLUDED |
| #define BOOST_TT_HAS_TRIVIAL_MOVE_CONSTRUCTOR_HPP_INCLUDED |
| |
| #include <cstddef> // size_t |
| #include <boost/type_traits/intrinsics.hpp> |
| #include <boost/type_traits/integral_constant.hpp> |
| |
| #ifdef BOOST_HAS_TRIVIAL_MOVE_CONSTRUCTOR |
| |
| #if defined(BOOST_MSVC) || defined(BOOST_INTEL) |
| #include <boost/type_traits/is_pod.hpp> |
| #include <boost/type_traits/is_volatile.hpp> |
| #endif |
| |
| #if defined(__GNUC__) || defined(__clang) |
| #include <boost/type_traits/is_constructible.hpp> |
| #include <boost/type_traits/is_volatile.hpp> |
| #endif |
| |
| |
| namespace boost { |
| |
| template <typename T> struct has_trivial_move_constructor : public integral_constant<bool, BOOST_HAS_TRIVIAL_MOVE_CONSTRUCTOR(T)>{}; |
| |
| #else |
| |
| #ifdef __SUNPRO_CC |
| #include <boost/type_traits/is_constructible.hpp> |
| #include <boost/type_traits/remove_const.hpp> |
| #if __cplusplus >= 201103 |
| #define SOLARIS_EXTRA_CHECK && is_constructible<typename remove_const<T>::type, typename remove_const<T>::type&&>::value |
| #endif |
| #endif |
| |
| #ifndef SOLARIS_EXTRA_CHECK |
| #define SOLARIS_EXTRA_CHECK |
| #endif |
| |
| #include <boost/type_traits/is_pod.hpp> |
| #include <boost/type_traits/is_volatile.hpp> |
| |
| namespace boost { |
| |
| template <typename T> struct has_trivial_move_constructor |
| : public integral_constant<bool, ::boost::is_pod<T>::value && !::boost::is_volatile<T>::value SOLARIS_EXTRA_CHECK>{}; |
| |
| #undef SOLARIS_EXTRA_CHECK |
| |
| #endif |
| |
| template <> struct has_trivial_move_constructor<void> : public false_type{}; |
| #ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS |
| template <> struct has_trivial_move_constructor<void const> : public false_type{}; |
| template <> struct has_trivial_move_constructor<void volatile> : public false_type{}; |
| template <> struct has_trivial_move_constructor<void const volatile> : public false_type{}; |
| #endif |
| // What should we do with reference types??? The standard seems to suggest these are trivial, even if the thing they reference is not: |
| template <class T> struct has_trivial_move_constructor<T&> : public true_type{}; |
| #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES |
| template <class T> struct has_trivial_move_constructor<T&&> : public true_type{}; |
| #endif |
| // Arrays can not be explicitly copied: |
| template <class T, std::size_t N> struct has_trivial_move_constructor<T[N]> : public false_type{}; |
| template <class T> struct has_trivial_move_constructor<T[]> : public false_type{}; |
| |
| } // namespace boost |
| |
| #endif // BOOST_TT_HAS_TRIVIAL_MOVE_CONSTRUCTOR_HPP_INCLUDED |