| 1 | #ifndef BOOST_TYPE_TRAITS_TYPE_IDENTITY_HPP_INCLUDED |
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| 2 | #define BOOST_TYPE_TRAITS_TYPE_IDENTITY_HPP_INCLUDED |
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| 3 | |
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| 4 | // |
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| 5 | // Copyright 2015 Peter Dimov |
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| 6 | // |
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| 7 | // Distributed under the Boost Software License, Version 1.0. |
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| 8 | // See accompanying file LICENSE_1_0.txt or copy at |
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| 9 | // http://www.boost.org/LICENSE_1_0.txt |
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| 10 | // |
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| 11 | |
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| 12 | #include <boost/config.hpp> |
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| 13 | |
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| 14 | namespace boost |
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| 15 | { |
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| 16 | |
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| 17 | template<class T> struct type_identity |
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| 18 | { |
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| 19 | typedef T type; |
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| 20 | }; |
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| 21 | |
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| 22 | #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) |
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| 23 | |
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| 24 | template <class T> using type_identity_t = typename type_identity<T>::type; |
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| 25 | |
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| 26 | #endif |
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| 27 | |
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| 28 | |
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| 29 | } // namespace boost |
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| 30 | |
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| 31 | #endif // #ifndef BOOST_TYPE_TRAITS_TYPE_IDENTITY_HPP_INCLUDED |
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| 32 | |
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