113 lines
2.6 KiB
C++
113 lines
2.6 KiB
C++
|
|
||
|
|
#ifndef BOOST_MPL_EQUAL_HPP_INCLUDED
|
||
|
|
#define BOOST_MPL_EQUAL_HPP_INCLUDED
|
||
|
|
|
||
|
|
// Copyright Aleksey Gurtovoy 2000-2004
|
||
|
|
//
|
||
|
|
// 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/aux_/iter_fold_if_impl.hpp>
|
||
|
|
#include <boost/mpl/aux_/iter_apply.hpp>
|
||
|
|
#include <boost/mpl/and.hpp>
|
||
|
|
#include <boost/mpl/not.hpp>
|
||
|
|
#include <boost/mpl/begin_end.hpp>
|
||
|
|
#include <boost/mpl/next.hpp>
|
||
|
|
#include <boost/mpl/always.hpp>
|
||
|
|
#include <boost/mpl/bool.hpp>
|
||
|
|
#include <boost/mpl/lambda.hpp>
|
||
|
|
#include <boost/mpl/bind.hpp>
|
||
|
|
#include <boost/mpl/apply.hpp>
|
||
|
|
#include <boost/mpl/void.hpp>
|
||
|
|
#include <boost/mpl/aux_/na_spec.hpp>
|
||
|
|
#include <boost/mpl/aux_/lambda_support.hpp>
|
||
|
|
#include <boost/mpl/aux_/msvc_eti_base.hpp>
|
||
|
|
|
||
|
|
#include <boost/type_traits/is_same.hpp>
|
||
|
|
|
||
|
|
namespace boost { namespace mpl {
|
||
|
|
|
||
|
|
namespace aux {
|
||
|
|
|
||
|
|
template<
|
||
|
|
typename Predicate
|
||
|
|
, typename LastIterator1
|
||
|
|
, typename LastIterator2
|
||
|
|
>
|
||
|
|
struct equal_pred
|
||
|
|
{
|
||
|
|
template<
|
||
|
|
typename Iterator2
|
||
|
|
, typename Iterator1
|
||
|
|
>
|
||
|
|
struct apply
|
||
|
|
{
|
||
|
|
typedef typename and_<
|
||
|
|
not_< is_same<Iterator1,LastIterator1> >
|
||
|
|
, not_< is_same<Iterator2,LastIterator2> >
|
||
|
|
, aux::iter_apply2<Predicate,Iterator1,Iterator2>
|
||
|
|
>::type type;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
template<
|
||
|
|
typename Sequence1
|
||
|
|
, typename Sequence2
|
||
|
|
, typename Predicate
|
||
|
|
>
|
||
|
|
struct equal_impl
|
||
|
|
{
|
||
|
|
typedef typename begin<Sequence1>::type first1_;
|
||
|
|
typedef typename begin<Sequence2>::type first2_;
|
||
|
|
typedef typename end<Sequence1>::type last1_;
|
||
|
|
typedef typename end<Sequence2>::type last2_;
|
||
|
|
|
||
|
|
typedef aux::iter_fold_if_impl<
|
||
|
|
first1_
|
||
|
|
, first2_
|
||
|
|
, next<>
|
||
|
|
, protect< aux::equal_pred<Predicate,last1_,last2_> >
|
||
|
|
, void_
|
||
|
|
, always<false_>
|
||
|
|
> fold_;
|
||
|
|
|
||
|
|
typedef typename fold_::iterator iter1_;
|
||
|
|
typedef typename fold_::state iter2_;
|
||
|
|
typedef and_<
|
||
|
|
is_same<iter1_,last1_>
|
||
|
|
, is_same<iter2_,last2_>
|
||
|
|
> result_;
|
||
|
|
|
||
|
|
typedef typename result_::type type;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
} // namespace aux
|
||
|
|
|
||
|
|
|
||
|
|
template<
|
||
|
|
typename BOOST_MPL_AUX_NA_PARAM(Sequence1)
|
||
|
|
, typename BOOST_MPL_AUX_NA_PARAM(Sequence2)
|
||
|
|
, typename Predicate = is_same<_,_>
|
||
|
|
>
|
||
|
|
struct equal
|
||
|
|
: aux::msvc_eti_base<
|
||
|
|
typename aux::equal_impl<Sequence1,Sequence2,Predicate>::type
|
||
|
|
>::type
|
||
|
|
{
|
||
|
|
BOOST_MPL_AUX_LAMBDA_SUPPORT(2,equal,(Sequence1,Sequence2))
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOST_MPL_AUX_NA_SPEC(2, equal)
|
||
|
|
|
||
|
|
}}
|
||
|
|
|
||
|
|
#endif // BOOST_MPL_EQUAL_HPP_INCLUDED
|