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- #ifndef BOOST_MPL_REPLACE_IF_HPP_INCLUDED
- #define BOOST_MPL_REPLACE_IF_HPP_INCLUDED
- #include <boost/mpl/transform.hpp>
- #include <boost/mpl/apply.hpp>
- #include <boost/mpl/if.hpp>
- #include <boost/mpl/aux_/inserter_algorithm.hpp>
- #include <boost/mpl/aux_/config/forwarding.hpp>
- namespace boost { namespace mpl {
- namespace aux {
- template< typename Predicate, typename T >
- struct replace_if_op
- {
- template< typename U > struct apply
- #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
- : if_<
- typename apply1<Predicate,U>::type
- , T
- , U
- >
- {
- #else
- {
- typedef typename if_<
- typename apply1<Predicate,U>::type
- , T
- , U
- >::type type;
- #endif
- };
- };
- template<
- typename Sequence
- , typename Predicate
- , typename T
- , typename Inserter
- >
- struct replace_if_impl
- : transform1_impl<
- Sequence
- , protect< aux::replace_if_op<Predicate,T> >
- , Inserter
- >
- {
- };
- template<
- typename Sequence
- , typename Predicate
- , typename T
- , typename Inserter
- >
- struct reverse_replace_if_impl
- : reverse_transform1_impl<
- Sequence
- , protect< aux::replace_if_op<Predicate,T> >
- , Inserter
- >
- {
- };
- }
- BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(4, replace_if)
- }}
- #endif
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