/*============================================================================= | |
Copyright (c) 2001-2006 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_FRONT_07162005_0749) | |
#define FUSION_PUSH_FRONT_07162005_0749 | |
#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> | |
namespace boost { namespace fusion | |
{ | |
namespace result_of | |
{ | |
template <typename Sequence, typename T> | |
struct push_front | |
{ | |
typedef fusion::single_view<typename detail::as_fusion_element<T>::type> single_view; | |
typedef joint_view<single_view const, Sequence> type; | |
}; | |
} | |
template <typename Sequence, typename T> | |
inline typename result_of::push_front<Sequence const, T>::type | |
push_front(Sequence const& seq, T const& x) | |
{ | |
typedef typename result_of::push_front<Sequence const, T> push_front; | |
typedef typename push_front::single_view single_view; | |
typedef typename push_front::type result; | |
single_view x_(x); | |
return result(x_, seq); | |
} | |
}} | |
#endif | |