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Diffstat (limited to 'src/third_party/boost-1.60.0/boost/mpl/aux_/partition_op.hpp')
-rw-r--r-- | src/third_party/boost-1.60.0/boost/mpl/aux_/partition_op.hpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/third_party/boost-1.60.0/boost/mpl/aux_/partition_op.hpp b/src/third_party/boost-1.60.0/boost/mpl/aux_/partition_op.hpp new file mode 100644 index 00000000000..79d49370f12 --- /dev/null +++ b/src/third_party/boost-1.60.0/boost/mpl/aux_/partition_op.hpp @@ -0,0 +1,58 @@ + +#ifndef BOOST_MPL_AUX_PARTITION_OP_HPP_INCLUDED +#define BOOST_MPL_AUX_PARTITION_OP_HPP_INCLUDED + +// Copyright Eric Friedman 2003 +// Copyright Aleksey Gurtovoy 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/apply.hpp> +#include <boost/mpl/eval_if.hpp> +#include <boost/mpl/if.hpp> +#include <boost/mpl/pair.hpp> +#include <boost/mpl/aux_/lambda_spec.hpp> + +namespace boost { namespace mpl { + +namespace aux { + +template< typename Pred, typename In1Op, typename In2Op > +struct partition_op +{ + template< typename State, typename T > + struct apply + { + typedef typename State::first first_; + typedef typename State::second second_; + typedef typename apply1< Pred,T >::type pred_; + + typedef typename eval_if< + pred_ + , apply2<In1Op,first_,T> + , apply2<In2Op,second_,T> + >::type result_; + + typedef typename if_< + pred_ + , pair< result_,second_ > + , pair< first_,result_ > + >::type type; + }; +}; + +} // namespace aux + +BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(3, aux::partition_op) + +}} + +#endif // BOOST_MPL_AUX_PARTITION_OP_HPP_INCLUDED |