| |
| // (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_DESTRUCTOR_HPP_INCLUDED |
| #define BOOST_TT_HAS_NOTHROW_DESTRUCTOR_HPP_INCLUDED |
| |
| #include <boost/type_traits/has_trivial_destructor.hpp> |
| |
| #if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(__SUNPRO_CC) && !(defined(BOOST_MSVC) && (_MSC_FULL_VER < 190023506)) |
| |
| #include <boost/type_traits/declval.hpp> |
| #include <boost/type_traits/is_destructible.hpp> |
| |
| namespace boost{ |
| |
| namespace detail{ |
| |
| template <class T, bool b> |
| struct has_nothrow_destructor_imp : public boost::integral_constant<bool, false>{}; |
| template <class T> |
| struct has_nothrow_destructor_imp<T, true> : public boost::integral_constant<bool, noexcept(boost::declval<T*&>()->~T())>{}; |
| |
| } |
| |
| template <class T> struct has_nothrow_destructor : public detail::has_nothrow_destructor_imp<T, boost::is_destructible<T>::value>{}; |
| template <class T, std::size_t N> struct has_nothrow_destructor<T[N]> : public has_nothrow_destructor<T>{}; |
| template <class T> struct has_nothrow_destructor<T&> : public integral_constant<bool, false>{}; |
| #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) |
| template <class T> struct has_nothrow_destructor<T&&> : public integral_constant<bool, false>{}; |
| #endif |
| } |
| #else |
| |
| namespace boost { |
| |
| template <class T> struct has_nothrow_destructor : public ::boost::has_trivial_destructor<T> {}; |
| |
| } // namespace boost |
| |
| #endif |
| |
| #endif // BOOST_TT_HAS_NOTHROW_DESTRUCTOR_HPP_INCLUDED |