~ai.tron/armagetronad/0.4-winlibs-updated

// Boost.Geometry Index

//

// Type-erased iterators

//

// Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland.

//

// Use, modification and distribution is subject to 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_GEOMETRY_INDEX_DETAIL_TYPE_ERASED_ITERATORS_HPP

#define BOOST_GEOMETRY_INDEX_DETAIL_TYPE_ERASED_ITERATORS_HPP

 

#include <boost/type_erasure/any.hpp>

#include <boost/type_erasure/operators.hpp>

 

namespace boost { namespace geometry { namespace index { namespace detail {

 

template<typename T, typename ValueType, typename Reference, typename Pointer, typename DifferenceType>

struct single_pass_iterator_concept :

    ::boost::mpl::vector<

        ::boost::type_erasure::copy_constructible<T>,

        ::boost::type_erasure::equality_comparable<T>,

        ::boost::type_erasure::dereferenceable<Reference, T>,

        ::boost::type_erasure::assignable<T>,

        ::boost::type_erasure::incrementable<T>

    >

{};

 

template <typename ValueType, typename Reference, typename Pointer, typename DifferenceType>

struct single_pass_iterator_type

{

    typedef ::boost::type_erasure::any<

        single_pass_iterator_concept<

            ::boost::type_erasure::_self, ValueType, Reference, Pointer, DifferenceType

        >

    > type;

};

 

}}}} // namespace boost::geometry::index::detail

 

namespace boost { namespace type_erasure {

 

template<typename T, typename ValueType, typename Reference, typename Pointer, typename DifferenceType, typename Base>

struct concept_interface<

    ::boost::geometry::index::detail::single_pass_iterator_concept<

        T, ValueType, Reference, Pointer, DifferenceType

    >, Base, T>

    : Base

{

    typedef ValueType value_type;

    typedef Reference reference;

    typedef Pointer pointer;

    typedef DifferenceType difference_type;

    typedef ::std::input_iterator_tag iterator_category;

};

 

}} // namespace boost::type_erasure

 

#endif // BOOST_GEOMETRY_INDEX_DETAIL_TYPE_ERASED_ITERATORS_HPP