| Jeff Thompson | a28eed8 | 2013-08-22 16:21:10 -0700 | [diff] [blame^] | 1 | |
| 2 | #ifndef BOOST_MPL_REMOVE_IF_HPP_INCLUDED |
| 3 | #define BOOST_MPL_REMOVE_IF_HPP_INCLUDED |
| 4 | |
| 5 | // Copyright Aleksey Gurtovoy 2000-2004 |
| 6 | // Copyright David Abrahams 2003-2004 |
| 7 | // |
| 8 | // Distributed under the Boost Software License, Version 1.0. |
| 9 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 10 | // http://www.boost.org/LICENSE_1_0.txt) |
| 11 | // |
| 12 | // See http://www.boost.org/libs/mpl for documentation. |
| 13 | |
| 14 | // $Id: remove_if.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
| 15 | // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $ |
| 16 | // $Revision: 49267 $ |
| 17 | |
| 18 | #include <ndnboost/mpl/fold.hpp> |
| 19 | #include <ndnboost/mpl/reverse_fold.hpp> |
| 20 | #include <ndnboost/mpl/eval_if.hpp> |
| 21 | #include <ndnboost/mpl/identity.hpp> |
| 22 | #include <ndnboost/mpl/protect.hpp> |
| 23 | #include <ndnboost/mpl/lambda.hpp> |
| 24 | #include <ndnboost/mpl/apply.hpp> |
| 25 | #include <ndnboost/mpl/aux_/inserter_algorithm.hpp> |
| 26 | |
| 27 | namespace ndnboost { namespace mpl { |
| 28 | |
| 29 | namespace aux { |
| 30 | |
| 31 | template< typename Pred, typename InsertOp > struct remove_if_helper |
| 32 | { |
| 33 | template< typename Sequence, typename U > struct apply |
| 34 | { |
| 35 | typedef typename eval_if< |
| 36 | typename apply1<Pred,U>::type |
| 37 | , identity<Sequence> |
| 38 | , apply2<InsertOp,Sequence,U> |
| 39 | >::type type; |
| 40 | }; |
| 41 | }; |
| 42 | |
| 43 | template< |
| 44 | typename Sequence |
| 45 | , typename Predicate |
| 46 | , typename Inserter |
| 47 | > |
| 48 | struct remove_if_impl |
| 49 | : fold< |
| 50 | Sequence |
| 51 | , typename Inserter::state |
| 52 | , protect< aux::remove_if_helper< |
| 53 | typename lambda<Predicate>::type |
| 54 | , typename Inserter::operation |
| 55 | > > |
| 56 | > |
| 57 | { |
| 58 | }; |
| 59 | |
| 60 | template< |
| 61 | typename Sequence |
| 62 | , typename Predicate |
| 63 | , typename Inserter |
| 64 | > |
| 65 | struct reverse_remove_if_impl |
| 66 | : reverse_fold< |
| 67 | Sequence |
| 68 | , typename Inserter::state |
| 69 | , protect< aux::remove_if_helper< |
| 70 | typename lambda<Predicate>::type |
| 71 | , typename Inserter::operation |
| 72 | > > |
| 73 | > |
| 74 | { |
| 75 | }; |
| 76 | |
| 77 | } // namespace aux |
| 78 | |
| 79 | BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(3, remove_if) |
| 80 | |
| 81 | }} |
| 82 | |
| 83 | #endif // BOOST_MPL_REMOVE_IF_HPP_INCLUDED |