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43 lines
1.1 KiB
43 lines
1.1 KiB
3 years ago
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/*=============================================================================
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Copyright (c) 2001-2011 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(FUSION_BEGIN_IMPL_05062005_1226)
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#define FUSION_BEGIN_IMPL_05062005_1226
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#include <boost/fusion/support/config.hpp>
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namespace boost { namespace fusion
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{
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struct iterator_range_tag;
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namespace extension
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{
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template <typename Tag>
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struct begin_impl;
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template <>
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struct begin_impl<iterator_range_tag>
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{
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template <typename Sequence>
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struct apply
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{
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typedef typename Sequence::begin_type type;
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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static type
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call(Sequence& s)
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{
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return s.first;
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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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