40 lines
894 B
C++
40 lines
894 B
C++
#ifndef BOOST_METAPARSE_V1_CPP11_IMPL_EVAL_LATER_RESULT_HPP
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#define BOOST_METAPARSE_V1_CPP11_IMPL_EVAL_LATER_RESULT_HPP
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// Copyright Abel Sinkovics (abel@sinkovics.hu) 2017.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/metaparse/v1/get_position.hpp>
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#include <boost/mpl/eval_if.hpp>
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#include <boost/mpl/less.hpp>
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namespace boost
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{
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namespace metaparse
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{
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namespace v1
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{
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namespace impl
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{
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template <class R1, class R2>
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struct eval_later_result :
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boost::mpl::eval_if<
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typename boost::mpl::less<
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typename get_position<R2>::type,
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typename get_position<R1>::type
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>::type,
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R1,
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R2
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>
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{};
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}
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}
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}
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}
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#endif
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