williamr@2: 
williamr@2: #ifndef BOOST_MPL_FIND_IF_HPP_INCLUDED
williamr@2: #define BOOST_MPL_FIND_IF_HPP_INCLUDED
williamr@2: 
williamr@2: // Copyright Aleksey Gurtovoy 2000-2004
williamr@2: //
williamr@2: // Distributed under the Boost Software License, Version 1.0. 
williamr@2: // (See accompanying file LICENSE_1_0.txt or copy at 
williamr@2: // http://www.boost.org/LICENSE_1_0.txt)
williamr@2: //
williamr@2: // See http://www.boost.org/libs/mpl for documentation.
williamr@2: 
williamr@2: // $Source: /cvsroot/boost/boost/boost/mpl/find_if.hpp,v $
williamr@2: // $Date: 2004/09/02 15:40:41 $
williamr@2: // $Revision: 1.10 $
williamr@2: 
williamr@2: #include <boost/mpl/aux_/find_if_pred.hpp>
williamr@2: #include <boost/mpl/arg.hpp>
williamr@2: #include <boost/mpl/iter_fold_if.hpp>
williamr@2: #include <boost/mpl/aux_/common_name_wknd.hpp>
williamr@2: #include <boost/mpl/aux_/na_spec.hpp>
williamr@2: #include <boost/mpl/aux_/lambda_support.hpp>
williamr@2: 
williamr@2: namespace boost { namespace mpl {
williamr@2: 
williamr@2: BOOST_MPL_AUX_COMMON_NAME_WKND(find_if)
williamr@2: 
williamr@2: template<
williamr@2:       typename BOOST_MPL_AUX_NA_PARAM(Sequence)
williamr@2:     , typename BOOST_MPL_AUX_NA_PARAM(Predicate)
williamr@2:     >
williamr@2: struct find_if
williamr@2: {
williamr@2:     typedef typename iter_fold_if<
williamr@2:           Sequence
williamr@2:         , void
williamr@2:         , arg<1> // ignore
williamr@2:         , protect< aux::find_if_pred<Predicate> >
williamr@2:         >::type result_;
williamr@2: 
williamr@2:     typedef typename second<result_>::type type;
williamr@2: 
williamr@2:     BOOST_MPL_AUX_LAMBDA_SUPPORT(2,find_if,(Sequence,Predicate))
williamr@2: };
williamr@2: 
williamr@2: BOOST_MPL_AUX_NA_SPEC(2,find_if)
williamr@2: 
williamr@2: }}
williamr@2: 
williamr@2: #endif // BOOST_MPL_FIND_IF_HPP_INCLUDED