63e88f80
 Hu Chunming
提交三方库
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#ifndef BOOST_MPL_FIND_IF_HPP_INCLUDED
#define BOOST_MPL_FIND_IF_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2000-2004
//
// 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)
//
// See http://www.boost.org/libs/mpl for documentation.
// $Id$
// $Date$
// $Revision$
#include <boost/mpl/aux_/find_if_pred.hpp>
#include <boost/mpl/arg.hpp>
#include <boost/mpl/iter_fold_if.hpp>
#include <boost/mpl/aux_/common_name_wknd.hpp>
#include <boost/mpl/aux_/na_spec.hpp>
#include <boost/mpl/aux_/lambda_support.hpp>
namespace boost { namespace mpl {
BOOST_MPL_AUX_COMMON_NAME_WKND(find_if)
template<
typename BOOST_MPL_AUX_NA_PARAM(Sequence)
, typename BOOST_MPL_AUX_NA_PARAM(Predicate)
>
struct find_if
{
typedef typename iter_fold_if<
Sequence
, void
, mpl::arg<1> // ignore
, protect< aux::find_if_pred<Predicate> >
>::type result_;
typedef typename second<result_>::type type;
BOOST_MPL_AUX_LAMBDA_SUPPORT(2,find_if,(Sequence,Predicate))
};
BOOST_MPL_AUX_NA_SPEC(2,find_if)
}}
#endif // BOOST_MPL_FIND_IF_HPP_INCLUDED
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