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std::generator::iterator(3) C++ Standard Libary std::generator::iterator(3) NAME std::generator::iterator - std::generator::iterator Synopsis class /*iterator*/; (since C++23) (exposition only*) The return type of generator::begin. Models indirectly_readable and input_iterator. Member types Member type Definition value_type std::generator::value difference_type std::ptrdiff_t Data members Member name Definition coroutine_ A coroutine handle of type (private) std::coroutine_handle<std::generator::promise_type>. (exposition-only member object*) Member functions constructor constructs an iterator (public member function) operator= assigns another iterator (public member function) operator* returns an underlying value (public member function) operator++ advances the iterator operator++(int) (public member function) std::generator::iterator::iterator /*iterator*/( /*iterator*/&& other ) noexcept; (since C++23) Initializes coroutine_ with std::exchange(other.coroutine_, {});. std::generator::iterator::operator= /*iterator*/& operator=( /*iterator*/&& other ) noexcept; (since C++23) Equivalent to coroutine_ = std::exchange(other.coroutine_, {});. Returns: *this. std::generator::iterator::operator* reference operator*() const (since C++23) noexcept( std::is_nothrow_copy_constructible_v<reference> ); 1. Let reference be the std::generator's underlying type. 2. Let for some generator object x its coroutine_ be in the stack *x.active_. 3. Let x.active_->top() refer to a suspended coroutine with promise object p. Equivalent to return static_cast<reference>(*p.value_);. std::generator::iterator::operator++ constexpr /*iterator*/& operator++(); (1) (since C++23) constexpr void operator++( int ); (2) (since C++23) 1) Let for some generator object x the coroutine_ be in the stack *x.active_. Equivalent to x.active_->top().resume(). Returns: *this. 2) Equivalent to ++*this;. Non-member functions operator== compares the underlying iterator with a sentinel (C++23) (function) operator==(std::generator::iterator) friend bool operator==( const /*iterator*/& i, (since C++23) std::default_sentinel_t ); Equivalent to return i.coroutine_.done();. The != operator is synthesized from operator==. This function is not visible to ordinary unqualified or qualified lookup, and can only be found by argument-dependent lookup when std::generator::it- erator is an associated class of the arguments. Example This section is incomplete Reason: no example Category: * Todo no example http://cppreference.com 2024.06.10 std::generator::iterator(3)
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