| |
| // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000. |
| // 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_NOTHROW_COPY_HPP_INCLUDED |
| #define BOOST_TT_HAS_NOTHROW_COPY_HPP_INCLUDED |
| |
| #include <boost/type_traits/intrinsics.hpp> |
| #include <boost/type_traits/integral_constant.hpp> |
| |
| #ifdef BOOST_HAS_NOTHROW_COPY |
| |
| #if defined(BOOST_CLANG) || defined(__GNUC__) || defined(__ghs__) || defined(__CODEGEARC__) || defined(__SUNPRO_CC) |
| #include <boost/type_traits/is_volatile.hpp> |
| #include <boost/type_traits/is_copy_constructible.hpp> |
| #include <boost/type_traits/is_reference.hpp> |
| #include <boost/type_traits/is_array.hpp> |
| #ifdef BOOST_INTEL |
| #include <boost/type_traits/is_pod.hpp> |
| #endif |
| #elif defined(BOOST_MSVC) || defined(BOOST_INTEL) |
| #include <boost/type_traits/has_trivial_copy.hpp> |
| #include <boost/type_traits/is_array.hpp> |
| #ifdef BOOST_INTEL |
| #include <boost/type_traits/add_lvalue_reference.hpp> |
| #include <boost/type_traits/add_const.hpp> |
| #endif |
| #endif |
| |
| namespace boost { |
| |
| template <class T> struct has_nothrow_copy_constructor : public integral_constant<bool, BOOST_HAS_NOTHROW_COPY(T)>{}; |
| |
| #elif !defined(BOOST_NO_CXX11_NOEXCEPT) |
| |
| #include <boost/type_traits/declval.hpp> |
| #include <boost/type_traits/is_copy_constructible.hpp> |
| |
| namespace boost{ |
| |
| namespace detail{ |
| |
| template <class T, bool b> |
| struct has_nothrow_copy_constructor_imp : public boost::integral_constant<bool, false>{}; |
| template <class T> |
| struct has_nothrow_copy_constructor_imp<T, true> : public boost::integral_constant<bool, noexcept(T(boost::declval<const T&>()))>{}; |
| |
| } |
| |
| template <class T> struct has_nothrow_copy_constructor : public detail::has_nothrow_copy_constructor_imp<T, boost::is_copy_constructible<T>::value>{}; |
| |
| #else |
| |
| #include <boost/type_traits/has_trivial_copy.hpp> |
| |
| namespace boost{ |
| |
| template <class T> struct has_nothrow_copy_constructor : public integral_constant<bool, ::boost::has_trivial_copy<T>::value>{}; |
| |
| #endif |
| |
| template <> struct has_nothrow_copy_constructor<void> : public false_type{}; |
| template <class T> struct has_nothrow_copy_constructor<T volatile> : public false_type{}; |
| template <class T> struct has_nothrow_copy_constructor<T&> : public false_type{}; |
| #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) |
| template <class T> struct has_nothrow_copy_constructor<T&&> : public false_type{}; |
| #endif |
| #ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS |
| template <> struct has_nothrow_copy_constructor<void const> : public false_type{}; |
| template <> struct has_nothrow_copy_constructor<void volatile> : public false_type{}; |
| template <> struct has_nothrow_copy_constructor<void const volatile> : public false_type{}; |
| #endif |
| |
| template <class T> struct has_nothrow_copy : public has_nothrow_copy_constructor<T>{}; |
| |
| } // namespace boost |
| |
| #endif // BOOST_TT_HAS_NOTHROW_COPY_HPP_INCLUDED |