forked from boostorg/fusion
doc updates + some more header tweaks
[SVN r40830]
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43
include/boost/fusion/container/generation/pair_tie.hpp
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43
include/boost/fusion/container/generation/pair_tie.hpp
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Copyright (c) 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_PAIR_TIE_20060812_2058)
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#define BOOST_FUSION_PAIR_TIE_20060812_2058
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#include <boost/type_traits/is_const.hpp>
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#include <boost/utility/enable_if.hpp>
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namespace boost { namespace fusion {
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template<typename Key, typename T>
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struct pair;
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namespace result_of
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{
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template<typename Key, typename T>
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struct pair_tie
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{
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typedef fusion::pair<Key, T&> type;
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};
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}
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template<typename Key, typename T>
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typename disable_if<is_const<T>, typename result_of::pair_tie<Key, T>::type>::type
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pair_tie(T& t)
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{
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return typename result_of::pair_tie<Key, T>::type(t);
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}
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template<typename Key, typename T>
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typename result_of::pair_tie<Key, T const>::type
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pair_tie(T const& t)
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{
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return typename result_of::pair_tie<Key, T const>::type(t);
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}
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}}
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#endif
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