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Diffstat (limited to 'ext/boost/mpl/find_if.hpp')
-rw-r--r-- | ext/boost/mpl/find_if.hpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/ext/boost/mpl/find_if.hpp b/ext/boost/mpl/find_if.hpp new file mode 100644 index 0000000000..b1d41b789d --- /dev/null +++ b/ext/boost/mpl/find_if.hpp @@ -0,0 +1,50 @@ + +#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 |