std::ranges::join_view<V>::iterator - cppreference.com

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template< bool Const > class /iterator/		(since C++20) (exposition only*)

The return type of join_view::begin, and of join_view::end when both the outer range V and the inner range ranges::range_reference_t<V> satisfy common_range and the parent join_view is a forward_range.

If V is not a simple view (e.g. if ranges::iterator_t<const V> is invalid or different from ranges::iterator_t<V>), Const is true for iterators returned from the const overloads, and false otherwise. If V is a simple view, Const is true if and only if ranges::range_reference_t<V> is a reference.

Member types

Member	Definition
`Parent`	`maybe-const` `<Const, ranges::join_view<V>>` (exposition-only member type*)
`Base`	`maybe-const` `<Const, V>` (exposition-only member type*)
`OuterIter`	`ranges::iterator_t<Base>` (exposition-only member type*)
`InnerIter`	`ranges::iterator_t<ranges::range_reference_t<Base>>` (exposition-only member type*)
`iterator_concept`	std::bidirectional_iterator_tag, if `ranges::range_reference_t<Base>` is a reference type, and `Base` and `ranges::range_reference_t<Base>` each model `bidirectional_range`; std::forward_iterator_tag, if `ranges::range_reference_t<Base>` is a reference type, and `Base` and `ranges::range_reference_t<Base>` each model `forward_range`; std::input_iterator_tag otherwise.
`iterator_category` (conditionally present)	Defined only if `iterator::iterator_concept` (see above) denotes std::forward_iterator_tag. Let `OUTERC` be `std::iterator_traits<ranges::iterator_t<Base>>::iterator_category`, and let `INNERC` be `std::iterator_traits<ranges::iterator_t<ranges::range_reference_t<Base>>>::` `iterator_category`. std::bidirectional_iterator_tag, if `OUTERC` and `INNERC` each model `std::derived_from<std::bidirectional_iterator_tag>`; std::forward_iterator_tag, if `OUTERC` and `INNERC` each model `std::derived_from<std::forward_iterator_tag>`; std::input_iterator_tag otherwise.
`value_type`	`ranges::range_value_t<ranges::range_reference_t<Base>>`
`difference_type`	`std::common_type_t<ranges::range_difference_t<Base>,` `ranges::range_difference_t<ranges::range_reference_t<Base>>>`

Data members

Member	Definition
`OuterIter` `outer_` (private)	An outer iterator (exposition-only member object*)
`InnerIter` `inner_` (private)	An inner iterator (exposition-only member object*)
`Parent*` `parent_` (private)	A pointer to the parent object (exposition-only member object*)

Member functions

Non-member functions

	compares the underlying iterators (function)
	casts the result of dereferencing the underlying iterator to its associated rvalue reference type (function)
	swaps the objects pointed to by two underlying iterators (function)