kicad/include/boost/iterator/iterator_traits.hpp

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2009-10-01 17:32:36 +00:00
// Copyright David Abrahams 2003.
// 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)
#ifndef ITERATOR_TRAITS_DWA200347_HPP
# define ITERATOR_TRAITS_DWA200347_HPP
# include <boost/detail/iterator.hpp>
# include <boost/detail/workaround.hpp>
namespace boost {
// Unfortunately, g++ 2.95.x chokes when we define a class template
// iterator_category which has the same name as its
// std::iterator_category() function, probably due in part to the
// "std:: is visible globally" hack it uses. Use
// BOOST_ITERATOR_CATEGORY to write code that's portable to older
// GCCs.
# if BOOST_WORKAROUND(__GNUC__, <= 2)
# define BOOST_ITERATOR_CATEGORY iterator_category_
# else
# define BOOST_ITERATOR_CATEGORY iterator_category
# endif
template <class Iterator>
struct iterator_value
{
typedef typename boost::detail::iterator_traits<Iterator>::value_type type;
};
template <class Iterator>
struct iterator_reference
{
typedef typename boost::detail::iterator_traits<Iterator>::reference type;
};
template <class Iterator>
struct iterator_pointer
{
typedef typename boost::detail::iterator_traits<Iterator>::pointer type;
};
template <class Iterator>
struct iterator_difference
{
typedef typename boost::detail::iterator_traits<Iterator>::difference_type type;
};
template <class Iterator>
struct BOOST_ITERATOR_CATEGORY
{
typedef typename boost::detail::iterator_traits<Iterator>::iterator_category type;
};
# if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
template <>
struct iterator_value<int>
{
typedef void type;
};
template <>
struct iterator_reference<int>
{
typedef void type;
};
template <>
struct iterator_pointer<int>
{
typedef void type;
};
template <>
struct iterator_difference<int>
{
typedef void type;
};
template <>
struct BOOST_ITERATOR_CATEGORY<int>
{
typedef void type;
};
# endif
} // namespace boost::iterator
#endif // ITERATOR_TRAITS_DWA200347_HPP