122 lines
3.0 KiB
Markdown
122 lines
3.0 KiB
Markdown
[reverse.iter.nav]
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# 24 Iterators library [[iterators]](./#iterators)
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## 24.5 Iterator adaptors [[predef.iterators]](predef.iterators#reverse.iter.nav)
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### 24.5.1 Reverse iterators [[reverse.iterators]](reverse.iterators#reverse.iter.nav)
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#### 24.5.1.7 Navigation [reverse.iter.nav]
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[ð](#lib:operator+,reverse_iterator)
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`constexpr reverse_iterator operator+(difference_type n) const;
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3436)
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*Returns*: reverse_iterator(current - n)[.](#1.sentence-1)
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[ð](#lib:operator-,reverse_iterator)
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`constexpr reverse_iterator operator-(difference_type n) const;
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`
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3447)
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*Returns*: reverse_iterator(current + n)[.](#2.sentence-1)
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[ð](#lib:operator++,reverse_iterator)
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`constexpr reverse_iterator& operator++();
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`
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3458)
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*Effects*: As if by: --current;
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[4](#4)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3462)
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*Returns*: *this[.](#4.sentence-1)
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[ð](#lib:operator++,reverse_iterator_)
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`constexpr reverse_iterator operator++(int);
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`
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[5](#5)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3473)
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*Effects*: As if by:reverse_iterator tmp = *this;--current;return tmp;
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[ð](#lib:operator--,reverse_iterator)
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`constexpr reverse_iterator& operator--();
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`
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[6](#6)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3489)
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*Effects*: As if by ++current[.](#6.sentence-1)
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[7](#7)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3493)
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*Returns*: *this[.](#7.sentence-1)
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[ð](#lib:operator--,reverse_iterator_)
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`constexpr reverse_iterator operator--(int);
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`
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[8](#8)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3504)
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*Effects*: As if by:reverse_iterator tmp = *this;++current;return tmp;
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[ð](#lib:operator+=,reverse_iterator)
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`constexpr reverse_iterator& operator+=(difference_type n);
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`
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[9](#9)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3520)
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*Effects*: As if by: current -= n;
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[10](#10)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3524)
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*Returns*: *this[.](#10.sentence-1)
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[ð](#lib:operator-=,reverse_iterator)
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`constexpr reverse_iterator& operator-=(difference_type n);
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`
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[11](#11)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3535)
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*Effects*: As if by: current += n;
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[12](#12)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L3539)
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*Returns*: *this[.](#12.sentence-1)
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