1 /*=============================================================================
2 Copyright (c) 2001-2011 Joel de Guzman
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_IF_08182005_0939)
8 #define FUSION_REPLACE_IF_08182005_0939
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_if.hpp>
13 #include <boost/fusion/support/is_sequence.hpp>
14 #include <boost/utility/enable_if.hpp>
15 #include <boost/type_traits/is_same.hpp>
17 namespace boost { namespace fusion
21 template <typename Sequence, typename F, typename T>
24 typedef transform_view<Sequence, detail::replacer_if<F, T> > type;
28 template <typename Sequence, typename F, typename T>
29 BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
32 traits::is_sequence<Sequence>
33 , typename result_of::replace_if<Sequence const, F, T>::type
35 replace_if(Sequence const& seq, F pred, T const& new_value)
37 typedef typename result_of::replace_if<Sequence const, F, T>::type result;
38 detail::replacer_if<F, T> f(pred, new_value);
39 return result(seq, f);