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