cppdraft_translate/cppdraft/front/insert/iterator.md

[front.insert.iterator]

24 Iterators library [iterators]

24.5 Iterator adaptors [predef.iterators]

24.5.2 Insert iterators [insert.iterators]

24.5.2.3 Class template front_insert_iterator [front.insert.iterator]

24.5.2.3.1 General [front.insert.iter.general]

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namespace std {templateclass front_insert_iterator {protected: Container* container; public:using iterator_category = output_iterator_tag; using value_type = void; using difference_type = ptrdiff_t; using pointer = void; using reference = void; using container_type = Container; constexpr explicit front_insert_iterator(Container& x); constexpr front_insert_iterator& operator=(const typename Container::value_type& value); constexpr front_insert_iterator& operator=(typename Container::value_type&& value); constexpr front_insert_iterator& operator*(); constexpr front_insert_iterator& operator++(); constexpr front_insert_iterator operator++(int); };}

24.5.2.3.2 Operations [front.insert.iter.ops]

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constexpr explicit front_insert_iterator(Container& x);

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Effects: Initializescontainer with addressof(x).

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constexpr front_insert_iterator& operator=(const typename Container::value_type& value);

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Effects: As if by: container->push_front(value);

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Returns: *this.

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constexpr front_insert_iterator& operator=(typename Container::value_type&& value);

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Effects: As if by: container->push_front(std​::​move(value));

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Returns: *this.

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constexpr front_insert_iterator& operator*();

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Returns: *this.

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constexpr front_insert_iterator& operator++(); constexpr front_insert_iterator operator++(int);

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Returns: *this.

24.5.2.3.3 front_inserter [front.inserter]

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template<class Container> constexpr front_insert_iterator<Container> front_inserter(Container& x);

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Returns: front_insert_iterator(x).