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.
41 lines
1.3 KiB
41 lines
1.3 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_SINGLE_VIEW_ITERATOR_JUL_07_2011_1348PM)
|
||
|
|
#define BOOST_FUSION_SINGLE_VIEW_ITERATOR_JUL_07_2011_1348PM
|
||
|
|
|
||
|
|
#include <boost/fusion/support/config.hpp>
|
||
|
|
#include <boost/mpl/assert.hpp>
|
||
|
|
#include <boost/mpl/equal_to.hpp>
|
||
|
|
#include <boost/type_traits/is_same.hpp>
|
||
|
|
#include <boost/type_traits/add_const.hpp>
|
||
|
|
|
||
|
|
namespace boost { namespace fusion
|
||
|
|
{
|
||
|
|
struct single_view_iterator_tag;
|
||
|
|
|
||
|
|
namespace extension
|
||
|
|
{
|
||
|
|
template<typename Tag>
|
||
|
|
struct equal_to_impl;
|
||
|
|
|
||
|
|
template<>
|
||
|
|
struct equal_to_impl<single_view_iterator_tag>
|
||
|
|
{
|
||
|
|
template<typename It1, typename It2>
|
||
|
|
struct apply
|
||
|
|
: mpl::equal_to<typename It1::position, typename It2::position>
|
||
|
|
{
|
||
|
|
BOOST_MPL_ASSERT((is_same<typename add_const<typename It1::single_view_type>::type,
|
||
|
|
typename add_const<typename It2::single_view_type>::type>));
|
||
|
|
};
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}}
|
||
|
|
|
||
|
|
#endif
|