[ceph.git] / ceph / src / boost / boost / type_traits / type_identity.hpp

#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
Commit	Line	Data
7c673cae FG	1	#ifndef BOOST_TYPE_TRAITS_TYPE_IDENTITY_HPP_INCLUDED
	2	#define BOOST_TYPE_TRAITS_TYPE_IDENTITY_HPP_INCLUDED
	3
	4	//
	5	// Copyright 2015 Peter Dimov
	6	//
	7	// Distributed under the Boost Software License, Version 1.0.
	8	// See accompanying file LICENSE_1_0.txt or copy at
	9	// http://www.boost.org/LICENSE_1_0.txt
	10	//
	11
11fdf7f2 TL	12	#include <boost/config.hpp>
11fdf7f2 TL	13
7c673cae FG	14	namespace boost
	15	{
	16
	17	template<class T> struct type_identity
	18	{
	19	typedef T type;
	20	};
	21
b32b8144 FG	22	#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
	23
	24	template <class T> using type_identity_t = typename type_identity<T>::type;
	25
	26	#endif
	27
	28
7c673cae FG	29	} // namespace boost
	30
	31	#endif // #ifndef BOOST_TYPE_TRAITS_TYPE_IDENTITY_HPP_INCLUDED