/*=============================================================================
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Copyright (c) 2016 Paul Fultz II
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using.hpp
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#ifndef BOOST_HOF_GUARD_USING_HPP
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#define BOOST_HOF_GUARD_USING_HPP
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#include <boost/hof/config.hpp>
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#if BOOST_HOF_HAS_TEMPLATE_ALIAS
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#define BOOST_HOF_USING(name, ...) using name = __VA_ARGS__
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#define BOOST_HOF_USING_TYPENAME(name, ...) using name = typename __VA_ARGS__
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#else
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#define BOOST_HOF_USING(name, ...) struct name : std::enable_if<true, __VA_ARGS__>::type {}
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#define BOOST_HOF_USING_TYPENAME(name, ...) struct name : __VA_ARGS__ {}
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#endif
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#endif
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