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1 | /*============================================================================= |
2 | Copyright (c) 2001-2011 Joel de Guzman | |
3 | ||
4 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
6 | ==============================================================================*/ | |
7 | #if !defined(FUSION_REPLACE_08182005_0830) | |
8 | #define FUSION_REPLACE_08182005_0830 | |
9 | ||
10 | #include <boost/fusion/support/config.hpp> | |
11 | #include <boost/fusion/view/transform_view/transform_view.hpp> | |
12 | #include <boost/fusion/algorithm/transformation/detail/replace.hpp> | |
13 | #include <boost/fusion/support/is_sequence.hpp> | |
14 | #include <boost/utility/enable_if.hpp> | |
15 | ||
16 | namespace boost { namespace fusion | |
17 | { | |
18 | namespace result_of | |
19 | { | |
20 | template <typename Sequence, typename T> | |
21 | struct replace | |
22 | { | |
23 | typedef transform_view<Sequence, detail::replacer<T> > type; | |
24 | }; | |
25 | } | |
26 | ||
27 | template <typename Sequence, typename T> | |
28 | BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED | |
29 | inline typename | |
30 | enable_if< | |
31 | traits::is_sequence<Sequence> | |
32 | , typename result_of::replace<Sequence const, T>::type | |
33 | >::type | |
34 | replace(Sequence const& seq, T const& old_value, T const& new_value) | |
35 | { | |
36 | typedef typename result_of::replace<Sequence const, T>::type result; | |
37 | detail::replacer<T> f(old_value, new_value); | |
38 | return result(seq, f); | |
39 | } | |
40 | }} | |
41 | ||
42 | #endif | |
43 |