/*============================================================================= | |
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_IF_05052005_1108) | |
#define FUSION_FIND_IF_05052005_1108 | |
#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/value_of.hpp> | |
#include <boost/mpl/bind.hpp> | |
#include <boost/mpl/lambda.hpp> | |
#include <boost/mpl/quote.hpp> | |
#include <boost/utility/enable_if.hpp> | |
#include <boost/type_traits/is_const.hpp> | |
namespace boost { namespace fusion | |
{ | |
namespace result_of | |
{ | |
template <typename Sequence, typename Pred> | |
struct find_if | |
{ | |
typedef | |
detail::static_find_if< | |
typename result_of::begin<Sequence>::type | |
, typename result_of::end<Sequence>::type | |
, mpl::bind1< | |
typename mpl::lambda<Pred>::type | |
, mpl::bind1<mpl::quote1<value_of>,mpl::_1> | |
> | |
> | |
filter; | |
typedef typename filter::type type; | |
}; | |
} | |
template <typename Pred, typename Sequence> | |
inline typename | |
lazy_disable_if< | |
is_const<Sequence> | |
, result_of::find_if<Sequence, Pred> | |
>::type | |
find_if(Sequence& seq) | |
{ | |
typedef typename result_of::find_if<Sequence, Pred>::filter filter; | |
return filter::call(fusion::begin(seq)); | |
} | |
template <typename Pred, typename Sequence> | |
inline typename result_of::find_if<Sequence const, Pred>::type const | |
find_if(Sequence const& seq) | |
{ | |
typedef typename result_of::find_if<Sequence const, Pred>::filter filter; | |
return filter::call(fusion::begin(seq)); | |
} | |
}} | |
#endif | |