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new cleaner(?) implementation for segmented fusion

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[SVN r73644]
This commit is contained in:
Eric Niebler
2011-08-11 04:14:50 +00:00
parent 00b2cfc52e
commit d9c5b32687
28 changed files with 2171 additions and 1496 deletions
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37
include/boost/fusion/view/iterator_range/detail/size_impl.hpp Normal file
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@ -0,0 +1,37 @@
/*=============================================================================
Copyright (c) 2011 Eric Niebler
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(BOOST_FUSION_ITERATOR_RANGE_SIZE_IMPL_HPP_INCLUDED)
#define BOOST_FUSION_ITERATOR_RANGE_SIZE_IMPL_HPP_INCLUDED
#include <boost/fusion/iterator/distance.hpp>
namespace boost { namespace fusion
{
struct iterator_range_tag;
namespace extension
{
template <typename Tag>
struct size_impl;
template <>
struct size_impl<iterator_range_tag>
{
template <typename Seq>
struct apply
: result_of::distance<
typename Seq::begin_type,
typename Seq::end_type
>
{};
};
}
}}
#endif

2
include/boost/fusion/view/iterator_range/iterator_range.hpp
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@ -15,6 +15,7 @@
#include <boost/fusion/view/iterator_range/detail/begin_impl.hpp>
#include <boost/fusion/view/iterator_range/detail/end_impl.hpp>
#include <boost/fusion/view/iterator_range/detail/at_impl.hpp>
#include <boost/fusion/view/iterator_range/detail/size_impl.hpp>
#include <boost/fusion/view/iterator_range/detail/value_at_impl.hpp>
#include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
#include <boost/config.hpp>
@ -36,7 +37,6 @@ namespace boost { namespace fusion
typedef typename convert_iterator<Last>::type end_type;
typedef iterator_range_tag fusion_tag;
typedef fusion_sequence_tag tag; // this gets picked up by MPL
typedef typename result_of::distance<begin_type, end_type>::type size;
typedef mpl::true_ is_view;
typedef typename traits::category_of<begin_type>::type category;