forked from boostorg/fusion
58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
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/*=============================================================================
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Copyright (c) 2006 Eric Niebler
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Use, modification and distribution is subject to the Boost Software
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License, Version 1.0. (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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==============================================================================*/
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#if !defined(FUSION_SEGMENTS_04052005_1141)
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#define FUSION_SEGMENTS_04052005_1141
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#include <boost/fusion/support/tag_of.hpp>
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namespace boost { namespace fusion
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{
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// segments: returns a sequence of sequences
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namespace extension
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{
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template <typename Tag>
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struct segments_impl
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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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}
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namespace result_of
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{
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template <typename Sequence>
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struct segments
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{
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typedef typename
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extension::segments_impl<typename traits::tag_of<Sequence>::type>::
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template apply<Sequence>::type
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type;
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};
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}
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template <typename Sequence>
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typename result_of::segments<Sequence>::type
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segments(Sequence & seq)
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{
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return
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extension::segments_impl<typename traits::tag_of<Sequence>::type>::
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template apply<Sequence>::call(seq);
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}
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template <typename Sequence>
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typename result_of::segments<Sequence const>::type
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segments(Sequence const& seq)
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{
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return
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extension::segments_impl<typename traits::tag_of<Sequence>::type>::
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template apply<Sequence const>::call(seq);
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}
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}}
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#endif
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