| #ifndef BOOST_TYPE_TRAITS_TYPE_IDENTITY_HPP_INCLUDED |
| #define BOOST_TYPE_TRAITS_TYPE_IDENTITY_HPP_INCLUDED |
| |
| // |
| // Copyright 2015 Peter Dimov |
| // |
| // Distributed under 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 |
| // |
| |
| #include <boost/config.hpp> |
| |
| namespace boost |
| { |
| |
| template<class T> struct type_identity |
| { |
| typedef T type; |
| }; |
| |
| #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) |
| |
| template <class T> using type_identity_t = typename type_identity<T>::type; |
| |
| #endif |
| |
| |
| } // namespace boost |
| |
| #endif // #ifndef BOOST_TYPE_TRAITS_TYPE_IDENTITY_HPP_INCLUDED |
