mirror of
https://github.com/ACreTeam/ac-decomp
synced 2026-05-23 06:34:18 -04:00
Cuyler36
39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
#ifndef ITERATOR_H
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#define ITERATOR_H
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#include "types.h"
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namespace std {
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struct input_iterator_tag {};
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template<class Iterator>
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struct iterator_traits {
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typedef typename Iterator::difference_type difference_type;
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typedef typename Iterator::value_type value_type;
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typedef typename Iterator::pointer pointer;
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typedef typename Iterator::reference reference;
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typedef typename Iterator::iterator_category iterator_category;
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};
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template <class InputIterator>
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inline
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typename iterator_traits<InputIterator>::difference_type
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__distance(InputIterator first, InputIterator last, input_iterator_tag) {
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typename iterator_traits<InputIterator>::difference_type result = 0;
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for (; first != last; ++first)
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++result;
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return result;
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}
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template <class InputIterator>
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inline
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typename iterator_traits<InputIterator>::difference_type
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distance(InputIterator first, InputIterator last) {
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return __distance(first, last, typename iterator_traits<InputIterator>::iterator_category());
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}
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} // namespace std
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#endif
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