You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
2.0 KiB
68 lines
2.0 KiB
3 years ago
|
/*=============================================================================
|
||
|
|
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_IS_SEGMENTED_HPP_INCLUDED)
|
||
|
|
#define BOOST_FUSION_ITERATOR_RANGE_IS_SEGMENTED_HPP_INCLUDED
|
||
|
|
|
||
|
|
#include <boost/fusion/support/config.hpp>
|
||
|
|
#include <boost/mpl/assert.hpp>
|
||
|
|
#include <boost/mpl/bool.hpp>
|
||
|
|
|
||
|
|
namespace boost { namespace fusion
|
||
|
|
{
|
||
|
|
struct iterator_range_tag;
|
||
|
|
|
||
|
|
template <typename Context>
|
||
|
|
struct segmented_iterator;
|
||
|
|
|
||
|
|
namespace extension
|
||
|
|
{
|
||
|
|
template <typename Tag>
|
||
|
|
struct is_segmented_impl;
|
||
|
|
|
||
|
|
// An iterator_range of segmented_iterators is segmented
|
||
|
|
template <>
|
||
|
|
struct is_segmented_impl<iterator_range_tag>
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
template <typename Iterator>
|
||
|
|
struct is_segmented_iterator
|
||
|
|
: mpl::false_
|
||
|
|
{};
|
||
|
|
|
||
|
|
template <typename Iterator>
|
||
|
|
struct is_segmented_iterator<Iterator &>
|
||
|
|
: is_segmented_iterator<Iterator>
|
||
|
|
{};
|
||
|
|
|
||
|
|
template <typename Iterator>
|
||
|
|
struct is_segmented_iterator<Iterator const>
|
||
|
|
: is_segmented_iterator<Iterator>
|
||
|
|
{};
|
||
|
|
|
||
|
|
template <typename Context>
|
||
|
|
struct is_segmented_iterator<segmented_iterator<Context> >
|
||
|
|
: mpl::true_
|
||
|
|
{};
|
||
|
|
|
||
|
|
public:
|
||
|
|
template <typename Sequence>
|
||
|
|
struct apply
|
||
|
|
: is_segmented_iterator<typename Sequence::begin_type>
|
||
|
|
{
|
||
|
|
BOOST_MPL_ASSERT_RELATION(
|
||
|
|
is_segmented_iterator<typename Sequence::begin_type>::value
|
||
|
|
, ==
|
||
|
|
, is_segmented_iterator<typename Sequence::end_type>::value);
|
||
|
|
};
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|