forked from boostorg/iterator
69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
// 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 <iterator>
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namespace boost {
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namespace iterators {
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template< typename Iterator >
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using iterator_value_t = typename std::iterator_traits< Iterator >::value_type;
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template< typename Iterator >
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struct iterator_value
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{
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using type = iterator_value_t< Iterator >;
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};
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template< typename Iterator >
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using iterator_reference_t = typename std::iterator_traits< Iterator >::reference;
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template< typename Iterator >
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struct iterator_reference
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{
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using type = iterator_reference_t< Iterator >;
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};
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template< typename Iterator >
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using iterator_pointer_t = typename std::iterator_traits< Iterator >::pointer;
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template< typename Iterator >
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struct iterator_pointer
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{
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using type = iterator_pointer_t< Iterator >;
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};
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template< typename Iterator >
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using iterator_difference_t = typename std::iterator_traits< Iterator >::difference_type;
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template< typename Iterator >
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struct iterator_difference
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{
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using type = iterator_difference_t< Iterator >;
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};
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template< typename Iterator >
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using iterator_category_t = typename std::iterator_traits< Iterator >::iterator_category;
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template< typename Iterator >
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struct iterator_category
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{
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using type = iterator_category_t< Iterator >;
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};
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} // namespace iterators
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using iterators::iterator_value;
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using iterators::iterator_reference;
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using iterators::iterator_pointer;
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using iterators::iterator_difference;
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using iterators::iterator_category;
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} // namespace boost
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#endif // ITERATOR_TRAITS_DWA200347_HPP
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