#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: find_if.hpp 49274 2008-10-11 07:22:05Z agurtovoy $ // $Date: 2008-10-11 03:22:05 -0400 (Sat, 11 Oct 2008) $ // $Revision: 49274 $ #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