Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for an old version of Boost. Click here to view this page for the latest version.

boost/mpl/iterator_category.hpp


#ifndef BOOST_MPL_ITERATOR_CATEGORY_HPP_INCLUDED
#define BOOST_MPL_ITERATOR_CATEGORY_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.

// $Source$
// $Date: 2004-09-02 11:41:37 -0400 (Thu, 02 Sep 2004) $
// $Revision: 24874 $

#include <boost/mpl/aux_/na_spec.hpp>
#include <boost/mpl/aux_/lambda_support.hpp>

namespace boost {  namespace mpl {

template<
      typename BOOST_MPL_AUX_NA_PARAM(Iterator)
    >
struct iterator_category
{
    typedef typename Iterator::category type;
    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,iterator_category,(Iterator))
};

BOOST_MPL_AUX_NA_SPEC(1, iterator_category)

}}

#endif // BOOST_MPL_ITERATOR_CATEGORY_HPP_INCLUDED