#ifndef BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED

#define BOOST_MPL_AUX_TRANSFORM_ITER_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.

// $Source: /cvsroot/boost/boost/boost/mpl/aux_/transform_iter.hpp,v $

// $Date: 2004/09/07 12:07:56 $

// $Revision: 1.4 $

#include <boost/mpl/apply.hpp>

#include <boost/mpl/iterator_tags.hpp>

#include <boost/mpl/next.hpp>

#include <boost/mpl/deref.hpp>

#include <boost/mpl/aux_/lambda_spec.hpp>

#include <boost/mpl/aux_/config/ctps.hpp>

#include <boost/type_traits/is_same.hpp>

namespace boost { namespace mpl { 

namespace aux {

#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)

template<

      typename Iterator

    , typename LastIterator

    , typename F

    >

struct transform_iter

{

    typedef Iterator base;

    typedef forward_iterator_tag category;

    typedef transform_iter< typename mpl::next<base>::type,LastIterator,F > next;

    typedef typename apply1<

          F

        , typename deref<base>::type

        >::type type;

};

template<

      typename LastIterator

    , typename F

    >

struct transform_iter< LastIterator,LastIterator,F >

{

    typedef LastIterator base;

    typedef forward_iterator_tag category;

};

#else

template<

      typename Iterator

    , typename LastIterator

    , typename F

    >

struct transform_iter;

template< bool >

struct transform_iter_impl 

{

    template<

          typename Iterator

        , typename LastIterator

        , typename F

        >

    struct result_

    {

        typedef Iterator base;

        typedef forward_iterator_tag category;

        typedef transform_iter< typename mpl::next<Iterator>::type,LastIterator,F > next;

        typedef typename apply1<

              F

            , typename deref<Iterator>::type

            >::type type;

    };

};

template<>

struct transform_iter_impl<true>

{

    template<

          typename Iterator

        , typename LastIterator

        , typename F

        >

    struct result_

    {

        typedef Iterator base;

        typedef forward_iterator_tag category;

    };

};

template<

      typename Iterator

    , typename LastIterator

    , typename F

    >

struct transform_iter

    : transform_iter_impl<

          ::boost::is_same<Iterator,LastIterator>::value

        >::template result_< Iterator,LastIterator,F >

{

};

#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION

} // namespace aux

BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(3, aux::transform_iter)

}}

#endif // BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED