mirror of
https://github.com/yuzu-emu/ext-boost.git
synced 2024-12-23 08:25:36 +00:00
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
|
|
||
|
#ifndef BOOST_MPL_ZIP_VIEW_HPP_INCLUDED
|
||
|
#define BOOST_MPL_ZIP_VIEW_HPP_INCLUDED
|
||
|
|
||
|
// Copyright Aleksey Gurtovoy 2000-2010
|
||
|
// Copyright David Abrahams 2000-2002
|
||
|
//
|
||
|
// 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)
|
||
|
//
|
||
|
// See http://www.boost.org/libs/mpl for documentation.
|
||
|
|
||
|
// $Id$
|
||
|
// $Date$
|
||
|
// $Revision$
|
||
|
|
||
|
#include <boost/mpl/transform.hpp>
|
||
|
#include <boost/mpl/begin_end.hpp>
|
||
|
#include <boost/mpl/iterator_tags.hpp>
|
||
|
#include <boost/mpl/next.hpp>
|
||
|
#include <boost/mpl/lambda.hpp>
|
||
|
#include <boost/mpl/deref.hpp>
|
||
|
#include <boost/mpl/aux_/na_spec.hpp>
|
||
|
|
||
|
namespace boost { namespace mpl {
|
||
|
|
||
|
template< typename IteratorSeq >
|
||
|
struct zip_iterator
|
||
|
{
|
||
|
typedef forward_iterator_tag category;
|
||
|
typedef typename transform1<
|
||
|
IteratorSeq
|
||
|
, deref<_1>
|
||
|
>::type type;
|
||
|
|
||
|
typedef zip_iterator<
|
||
|
typename transform1<
|
||
|
IteratorSeq
|
||
|
, mpl::next<_1>
|
||
|
>::type
|
||
|
> next;
|
||
|
};
|
||
|
|
||
|
template<
|
||
|
typename BOOST_MPL_AUX_NA_PARAM(Sequences)
|
||
|
>
|
||
|
struct zip_view
|
||
|
{
|
||
|
private:
|
||
|
typedef typename transform1< Sequences, mpl::begin<_1> >::type first_ones_;
|
||
|
typedef typename transform1< Sequences, mpl::end<_1> >::type last_ones_;
|
||
|
|
||
|
public:
|
||
|
typedef nested_begin_end_tag tag;
|
||
|
typedef zip_view type;
|
||
|
typedef zip_iterator<first_ones_> begin;
|
||
|
typedef zip_iterator<last_ones_> end;
|
||
|
};
|
||
|
|
||
|
BOOST_MPL_AUX_NA_SPEC(1, zip_view)
|
||
|
|
||
|
}}
|
||
|
|
||
|
#endif // BOOST_MPL_ZIP_VIEW_HPP_INCLUDED
|