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.
44 lines
1.1 KiB
44 lines
1.1 KiB
/*=============================================================================
|
|
Copyright (c) 2009 Christopher Schmidt
|
|
|
|
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)
|
|
==============================================================================*/
|
|
|
|
#ifndef BOOST_FUSION_ITERATOR_KEY_OF_HPP
|
|
#define BOOST_FUSION_ITERATOR_KEY_OF_HPP
|
|
|
|
#include <boost/fusion/support/config.hpp>
|
|
#include <boost/fusion/support/tag_of.hpp>
|
|
|
|
namespace boost { namespace fusion
|
|
{
|
|
struct iterator_facade_tag;
|
|
|
|
namespace extension
|
|
{
|
|
template <typename>
|
|
struct key_of_impl;
|
|
|
|
template <>
|
|
struct key_of_impl<iterator_facade_tag>
|
|
{
|
|
template <typename It>
|
|
struct apply
|
|
: It::template key_of<It>
|
|
{};
|
|
};
|
|
}
|
|
|
|
namespace result_of
|
|
{
|
|
template <typename It>
|
|
struct key_of
|
|
: extension::key_of_impl<typename traits::tag_of<It>::type>::
|
|
template apply<It>
|
|
{};
|
|
}
|
|
}}
|
|
|
|
#endif
|