1
2#ifndef BOOST_MPL_FIND_IF_HPP_INCLUDED
3#define BOOST_MPL_FIND_IF_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2000-2004
6//
7// Distributed under the Boost Software License, Version 1.0.
8// (See accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10//
11// See http://www.boost.org/libs/mpl for documentation.
12
13// $Id$
14// $Date$
15// $Revision$
16
17#include <boost/mpl/aux_/find_if_pred.hpp>
18#include <boost/mpl/arg.hpp>
19#include <boost/mpl/iter_fold_if.hpp>
20#include <boost/mpl/aux_/common_name_wknd.hpp>
21#include <boost/mpl/aux_/na_spec.hpp>
22#include <boost/mpl/aux_/lambda_support.hpp>
23
24namespace boost { namespace mpl {
25
26BOOST_MPL_AUX_COMMON_NAME_WKND(find_if)
27
28template<
29 typename BOOST_MPL_AUX_NA_PARAM(Sequence)
30 , typename BOOST_MPL_AUX_NA_PARAM(Predicate)
31 >
32struct find_if
33{
34 typedef typename iter_fold_if<
35 Sequence
36 , void
37 , mpl::arg<1> // ignore
38 , protect< aux::find_if_pred<Predicate> >
39 >::type result_;
40
41 typedef typename second<result_>::type type;
42
43 BOOST_MPL_AUX_LAMBDA_SUPPORT(2,find_if,(Sequence,Predicate))
44};
45
46BOOST_MPL_AUX_NA_SPEC(2,find_if)
47
48}}
49
50#endif // BOOST_MPL_FIND_IF_HPP_INCLUDED
51