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1 | |
2 | // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000. | |
3 | // Use, modification and distribution are subject to the Boost Software License, | |
4 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt). | |
6 | // | |
7 | // See http://www.boost.org/libs/type_traits for most recent version including documentation. | |
8 | ||
9 | #ifndef BOOST_TT_HAS_NOTHROW_DESTRUCTOR_HPP_INCLUDED | |
10 | #define BOOST_TT_HAS_NOTHROW_DESTRUCTOR_HPP_INCLUDED | |
11 | ||
12 | #include <boost/type_traits/has_trivial_destructor.hpp> | |
13 | ||
14 | #if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(__SUNPRO_CC) && !(defined(BOOST_MSVC) && (_MSC_FULL_VER < 190023506)) | |
15 | ||
16 | #include <boost/type_traits/declval.hpp> | |
17 | #include <boost/type_traits/is_destructible.hpp> | |
18 | ||
19 | namespace boost{ | |
20 | ||
21 | namespace detail{ | |
22 | ||
23 | template <class T, bool b> | |
24 | struct has_nothrow_destructor_imp : public boost::integral_constant<bool, false>{}; | |
25 | template <class T> | |
26 | struct has_nothrow_destructor_imp<T, true> : public boost::integral_constant<bool, noexcept(boost::declval<T*&>()->~T())>{}; | |
27 | ||
28 | } | |
29 | ||
30 | template <class T> struct has_nothrow_destructor : public detail::has_nothrow_destructor_imp<T, boost::is_destructible<T>::value>{}; | |
31 | template <class T, std::size_t N> struct has_nothrow_destructor<T[N]> : public has_nothrow_destructor<T>{}; | |
32 | template <class T> struct has_nothrow_destructor<T&> : public integral_constant<bool, false>{}; | |
33 | #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) | |
34 | template <class T> struct has_nothrow_destructor<T&&> : public integral_constant<bool, false>{}; | |
35 | #endif | |
36 | } | |
37 | #else | |
38 | ||
39 | namespace boost { | |
40 | ||
41 | template <class T> struct has_nothrow_destructor : public ::boost::has_trivial_destructor<T> {}; | |
42 | ||
43 | } // namespace boost | |
44 | ||
45 | #endif | |
46 | ||
47 | #endif // BOOST_TT_HAS_NOTHROW_DESTRUCTOR_HPP_INCLUDED |