25 Iterators library [iterators]

25.5 Iterator adaptors [predef.iterators]

25.5.2 Insert iterators [insert.iterators]

25.5.2.2 Class template back_insert_iterator [back.insert.iterator]

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namespace std { template<class Container> class back_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 back_insert_iterator(Container& x); constexpr back_insert_iterator& operator=(const typename Container::value_type& value); constexpr back_insert_iterator& operator=(typename Container::value_type&& value); constexpr back_insert_iterator& operator*(); constexpr back_insert_iterator& operator++(); constexpr back_insert_iterator operator++(int); }; }

25.5.2.2.1 Operations [back.insert.iter.ops]

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constexpr explicit back_insert_iterator(Container& x);
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Effects: Initializes container with addressof(x).
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constexpr back_insert_iterator& operator=(const typename Container::value_type& value);
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Effects: As if by: container->push_back(value);
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Returns: *this.
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constexpr back_insert_iterator& operator=(typename Container::value_type&& value);
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Effects: As if by: container->push_back(std​::​move(value));
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Returns: *this.
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constexpr back_insert_iterator& operator*();
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Returns: *this.
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constexpr back_insert_iterator& operator++(); constexpr back_insert_iterator operator++(int);
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Returns: *this.

25.5.2.2.2 back_inserter [back.inserter]

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template<class Container> constexpr back_insert_iterator<Container> back_inserter(Container& x);
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Returns: back_insert_iterator<Container>(x).