| /*============================================================================= |
| Copyright (c) 2001-2011 Joel de Guzman |
| |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| ==============================================================================*/ |
| #if !defined(FUSION_PUSH_BACK_07162005_0235) |
| #define FUSION_PUSH_BACK_07162005_0235 |
| |
| #include <boost/fusion/support/config.hpp> |
| #include <boost/fusion/support/detail/as_fusion_element.hpp> |
| #include <boost/fusion/view/joint_view/joint_view.hpp> |
| #include <boost/fusion/view/single_view/single_view.hpp> |
| #include <boost/fusion/support/is_sequence.hpp> |
| #include <boost/utility/enable_if.hpp> |
| |
| namespace boost { namespace fusion |
| { |
| namespace result_of |
| { |
| template <typename Sequence, typename T> |
| struct push_back |
| { |
| typedef fusion::single_view<typename detail::as_fusion_element<T>::type> single_view; |
| typedef joint_view<Sequence, single_view const> type; |
| }; |
| } |
| |
| template <typename Sequence, typename T> |
| BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED |
| inline typename |
| lazy_enable_if< |
| traits::is_sequence<Sequence> |
| , result_of::push_back<Sequence const, T> |
| >::type |
| push_back(Sequence const& seq, T const& x) |
| { |
| typedef typename result_of::push_back<Sequence const, T> push_back; |
| typedef typename push_back::single_view single_view; |
| typedef typename push_back::type result; |
| single_view x_(x); |
| return result(seq, x_); |
| } |
| }} |
| |
| #endif |
| |
