author | Alex Gilkes <alex.gilkes@nokia.com> |
Tue, 27 Oct 2009 16:36:35 +0000 | |
changeset 0 | 044383f39525 |
permissions | -rw-r--r-- |
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// Copyright David Abrahams 2003. |
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// Distributed under the Boost Software License, Version 1.0. (See |
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// accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef ITERATOR_TRAITS_DWA200347_HPP |
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# define ITERATOR_TRAITS_DWA200347_HPP |
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# include <boost/detail/iterator.hpp> |
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# include <boost/detail/workaround.hpp> |
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namespace boost { |
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// Unfortunately, g++ 2.95.x chokes when we define a class template |
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// iterator_category which has the same name as its |
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// std::iterator_category() function, probably due in part to the |
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// "std:: is visible globally" hack it uses. Use |
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// BOOST_ITERATOR_CATEGORY to write code that's portable to older |
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// GCCs. |
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# if BOOST_WORKAROUND(__GNUC__, <= 2) |
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# define BOOST_ITERATOR_CATEGORY iterator_category_ |
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# else |
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# define BOOST_ITERATOR_CATEGORY iterator_category |
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# endif |
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template <class Iterator> |
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struct iterator_value |
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{ |
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typedef typename boost::detail::iterator_traits<Iterator>::value_type type; |
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}; |
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template <class Iterator> |
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struct iterator_reference |
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{ |
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typedef typename boost::detail::iterator_traits<Iterator>::reference type; |
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}; |
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template <class Iterator> |
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struct iterator_pointer |
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{ |
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typedef typename boost::detail::iterator_traits<Iterator>::pointer type; |
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}; |
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template <class Iterator> |
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struct iterator_difference |
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{ |
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typedef typename boost::detail::iterator_traits<Iterator>::difference_type type; |
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}; |
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template <class Iterator> |
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struct BOOST_ITERATOR_CATEGORY |
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{ |
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typedef typename boost::detail::iterator_traits<Iterator>::iterator_category type; |
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}; |
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# if BOOST_WORKAROUND(BOOST_MSVC, < 1300) |
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template <> |
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struct iterator_value<int> |
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{ |
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typedef void type; |
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}; |
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template <> |
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struct iterator_reference<int> |
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{ |
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typedef void type; |
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}; |
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template <> |
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struct iterator_pointer<int> |
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{ |
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typedef void type; |
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}; |
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template <> |
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struct iterator_difference<int> |
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{ |
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typedef void type; |
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}; |
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template <> |
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struct BOOST_ITERATOR_CATEGORY<int> |
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{ |
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typedef void type; |
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}; |
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# endif |
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} // namespace boost::iterator |
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#endif // ITERATOR_TRAITS_DWA200347_HPP |