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Move from boost-sanbox [ JDG ]

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[SVN r18958]
This commit is contained in:
Joel de Guzman
2003-07-07 14:14:36 +00:00
parent e28ca345ea
commit 53eb5346de
14 changed files with 3251 additions and 0 deletions
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include/boost/iterator/iterator_traits.hpp Normal file
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// Copyright David Abrahams 2003. Permission to copy, use,
// modify, sell and distribute this software is granted provided this
// copyright notice appears in all copies. This software is provided
// "as is" without express or implied warranty, and with no claim as
// to its suitability for any purpose.
#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 detail::iterator_traits<Iterator>::value_type type;
};
template <class Iterator>
struct iterator_reference
{
typedef typename detail::iterator_traits<Iterator>::reference type;
};
template <class Iterator>
struct iterator_pointer
{
typedef typename detail::iterator_traits<Iterator>::pointer type;
};
template <class Iterator>
struct iterator_difference
{
typedef typename detail::iterator_traits<Iterator>::difference_type type;
};
template <class Iterator>
struct BOOST_ITERATOR_CATEGORY
{
typedef typename detail::iterator_traits<Iterator>::iterator_category type;
};
# if BOOST_WORKAROUND(BOOST_MSVC, <= 1200)
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