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/*=============================================================================
Copyright (c) 2001-2006 Joel de Guzman
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#if !defined(FUSION_FIND_05052005_1107)
#define FUSION_FIND_05052005_1107
#include <boost/fusion/algorithm/query/detail/find_if.hpp>
#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/fusion/sequence/intrinsic/end.hpp>
#include <boost/fusion/iterator/key_of.hpp>
#include <boost/fusion/iterator/value_of.hpp>
#include <boost/fusion/support/category_of.hpp>
#include <boost/mpl/if.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/type_traits/is_const.hpp>
#include <boost/utility/enable_if.hpp>
namespace boost { namespace fusion
{
namespace result_of
{
template <
typename Sequence
, typename T
>
struct find
{
typedef
detail::static_find_if<
typename result_of::begin<Sequence>::type
, typename result_of::end<Sequence>::type
, is_same<
typename mpl::if_<
traits::is_associative<Sequence>
, key_of<mpl::_1>
, value_of<mpl::_1>
>::type
, T
>
>
filter;
typedef typename filter::type type;
};
}
template <typename T, typename Sequence>
inline typename
lazy_disable_if<
is_const<Sequence>
, result_of::find<Sequence, T>
>::type const
find(Sequence& seq)
{
typedef typename result_of::find<Sequence, T>::filter filter;
return filter::call(fusion::begin(seq));
}
template <typename T, typename Sequence>
inline typename result_of::find<Sequence const, T>::type const
find(Sequence const& seq)
{
typedef typename result_of::find<Sequence const, T>::filter filter;
return filter::call(fusion::begin(seq));
}
}}
#endif
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Swift