forked from boostorg/fusion
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Copyright (c) 2005-2006 Dan Marsden
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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_FUSION_VARIANT_BEGIN_IMPL_12112006_2137)
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#define BOOST_FUSION_VARIANT_BEGIN_IMPL_12112006_2137
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#include <boost/mpl/begin.hpp>
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namespace boost { namespace fusion {
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struct variant_tag;
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template<typename Seq, typename Iterator>
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struct variant_iterator;
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namespace extension
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{
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template<typename T>
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struct begin_impl;
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template <>
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struct begin_impl<variant_tag>
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{
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template <typename Seq>
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struct apply
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{
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typedef variant_iterator<
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Seq,
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typename mpl::begin<typename Seq::types>::type> type;
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static type
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call(Seq& v)
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{
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return type(v);
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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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