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52 lines
1.3 KiB
52 lines
1.3 KiB
3 years ago
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/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Copyright (c) 2005 Eric Niebler
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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_07172005_0824)
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#define FUSION_BEGIN_IMPL_07172005_0824
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#include <boost/fusion/support/config.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/type_traits/is_const.hpp>
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namespace boost { namespace fusion
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{
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struct nil_;
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struct cons_tag;
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template <typename Car, typename Cdr>
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struct cons;
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template <typename Cons>
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struct cons_iterator;
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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<cons_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 cons_iterator<Sequence> type;
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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static type
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call(Sequence& t)
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{
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return type(t);
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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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