1
2#ifndef BOOST_MPL_REPLACE_IF_HPP_INCLUDED
3#define BOOST_MPL_REPLACE_IF_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2000-2004
6// Copyright John R. Bandela 2000-2002
7// Copyright David Abrahams 2003-2004
8//
9// Distributed under the Boost Software License, Version 1.0.
10// (See accompanying file LICENSE_1_0.txt or copy at
11// http://www.boost.org/LICENSE_1_0.txt)
12//
13// See http://www.boost.org/libs/mpl for documentation.
14
15// $Id$
16// $Date$
17// $Revision$
18
19#include <boost/mpl/transform.hpp>
20#include <boost/mpl/apply.hpp>
21#include <boost/mpl/if.hpp>
22#include <boost/mpl/aux_/inserter_algorithm.hpp>
23#include <boost/mpl/aux_/config/forwarding.hpp>
24
25namespace boost { namespace mpl {
26
27namespace aux {
28
29template< typename Predicate, typename T >
30struct replace_if_op
31{
32 template< typename U > struct apply
33#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
34 : if_<
35 typename apply1<Predicate,U>::type
36 , T
37 , U
38 >
39 {
40#else
41 {
42 typedef typename if_<
43 typename apply1<Predicate,U>::type
44 , T
45 , U
46 >::type type;
47#endif
48 };
49};
50
51
52template<
53 typename Sequence
54 , typename Predicate
55 , typename T
56 , typename Inserter
57 >
58struct replace_if_impl
59 : transform1_impl<
60 Sequence
61 , protect< aux::replace_if_op<Predicate,T> >
62 , Inserter
63 >
64{
65};
66
67template<
68 typename Sequence
69 , typename Predicate
70 , typename T
71 , typename Inserter
72 >
73struct reverse_replace_if_impl
74 : reverse_transform1_impl<
75 Sequence
76 , protect< aux::replace_if_op<Predicate,T> >
77 , Inserter
78 >
79{
80};
81
82} // namespace aux
83
84BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(4, replace_if)
85
86}}
87
88#endif // BOOST_MPL_REPLACE_IF_HPP_INCLUDED
89

source code of boost/boost/mpl/replace_if.hpp