72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
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/***
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Copyright (C) 2024 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: auReverseIterator.hpp
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Date: 2024-08-31
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Author: Reece
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***/
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#pragma once
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template<typename Iterator>
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struct AuReverseIterator
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{
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using iterator_type = Iterator;
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using iterator_category = std::iterator_traits<Iterator>;
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using value_type = typename std::iterator_traits<Iterator>::value_type;
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using difference_type = typename std::iterator_traits<Iterator>::difference_type;
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using pointer = typename std::iterator_traits<Iterator>::pointer;
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using reference = typename std::iterator_traits<Iterator>::reference;
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template <class>
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friend struct AuReverseIterator;
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constexpr AuReverseIterator() = default;
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constexpr explicit AuReverseIterator(Iterator that);
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template<typename Other_t>
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constexpr AuReverseIterator(const AuReverseIterator<Other_t> &that);
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template <class Other_t>
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constexpr AuReverseIterator &operator=(const AuReverseIterator<Other_t> &that);
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constexpr Iterator base() const;
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constexpr Iterator Base() const;
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constexpr reference operator*() const;
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constexpr pointer operator->() const;
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constexpr AuReverseIterator &operator++();
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constexpr AuReverseIterator operator++(int);
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constexpr AuReverseIterator &operator--();
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constexpr AuReverseIterator operator--(int);
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constexpr AuReverseIterator operator+(const difference_type offset) const;
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constexpr AuReverseIterator &operator+=(const difference_type offset);
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constexpr AuReverseIterator operator-(const difference_type offset) const;
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constexpr AuReverseIterator &operator-=(const difference_type offset);
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constexpr reference operator[](const difference_type offset) const;
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constexpr friend bool operator!=(AuReverseIterator<Iterator> a, AuReverseIterator<Iterator> b)
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{
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return a.base() != b.base();
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}
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constexpr friend bool operator==(AuReverseIterator<Iterator> a, AuReverseIterator<Iterator> b)
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{
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return a.base() == b.base();
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}
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protected:
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Iterator iterator;
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};
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