45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2011 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_VALUE_AT_IMPL_20060223_2025)
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#define BOOST_FUSION_VALUE_AT_IMPL_20060223_2025
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namespace example
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{
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struct example_sequence_tag;
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}
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namespace boost { namespace fusion {
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namespace extension
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{
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template<typename Tag>
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struct value_at_impl;
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template<>
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struct value_at_impl<example::example_sequence_tag>
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{
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template<typename Sequence, typename N>
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struct apply;
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template<typename Sequence>
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struct apply<Sequence, mpl::int_<0> >
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{
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typedef std::string type;
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};
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template<typename Sequence>
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struct apply<Sequence, mpl::int_<1> >
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{
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typedef int type;
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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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