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branch for creating branch for fusion 2.1

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[SVN r40237]
This commit is contained in:
Joel de Guzman
2007-10-21 00:52:09 +00:00
parent 7a6e82b7cf
commit 32f1c58ce7
476 changed files with 25709 additions and 0 deletions
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54
include/boost/fusion/view/single_view/single_view.hpp Normal file
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/*=============================================================================
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_SINGLE_VIEW_05052005_0335)
#define FUSION_SINGLE_VIEW_05052005_0335
#include <boost/fusion/support/detail/access.hpp>
#include <boost/fusion/support/detail/as_fusion_element.hpp>
#include <boost/fusion/support/sequence_base.hpp>
#include <boost/fusion/view/single_view/single_view_iterator.hpp>
#include <boost/fusion/view/single_view/detail/begin_impl.hpp>
#include <boost/fusion/view/single_view/detail/end_impl.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/mpl/int.hpp>
namespace boost { namespace fusion
{
struct single_view_tag;
struct forward_traversal_tag;
struct fusion_sequence_tag;
template <typename T>
struct single_view : sequence_base<single_view<T> >
{
typedef single_view_tag fusion_tag;
typedef fusion_sequence_tag tag; // this gets picked up by MPL
typedef forward_traversal_tag category;
typedef mpl::true_ is_view;
typedef mpl::int_<1> size;
typedef T value_type;
single_view()
: val() {}
explicit single_view(typename detail::call_param<T>::type val)
: val(val) {}
value_type val;
};
template <typename T>
inline single_view<typename detail::as_fusion_element<T>::type>
make_single_view(T const& v)
{
return single_view<typename detail::as_fusion_element<T>::type>(v);
}
}}
#endif