/*=============================================================================
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Copyright (c) 2014 Joel de Guzman
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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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#if !defined(BOOST_SPIRIT_X3_LAMBDA_VISITOR_MAY_19_2014_1116AM)
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#define BOOST_SPIRIT_X3_LAMBDA_VISITOR_MAY_19_2014_1116AM
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namespace boost { namespace spirit { namespace x3
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{
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template <typename RT, typename... Lambdas>
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struct lambda_visitor;
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template <typename RT, typename F, typename... Lambdas>
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struct lambda_visitor<RT, F, Lambdas...> : F, lambda_visitor<RT, Lambdas...>
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{
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typedef lambda_visitor<RT , Lambdas...> base_type;
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using F::operator();
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using base_type::operator();
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lambda_visitor(F f, Lambdas... lambdas)
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: F(f), base_type(lambdas...)
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{}
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};
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template <typename RT, typename F>
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struct lambda_visitor<RT, F> : F
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{
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typedef RT result_type;
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using F::operator();
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lambda_visitor(F f)
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: F(f)
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{}
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};
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template <typename RT>
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struct lambda_visitor<RT>
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{
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typedef RT result_type;
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};
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template <typename RT, typename... Lambdas>
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lambda_visitor<RT, Lambdas...> make_lambda_visitor(Lambdas... lambdas)
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{
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return { lambdas... };
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}
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}}}
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#endif
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