std::ranges::zip_transform_view<F,Views...>::iterator - cppreference.com

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template< bool Const > class /iterator/;		(since C++23) (exposition only*)

The iterator type of a possibly const-qualified zip_transform_view, returned by zip_transform_view::begin and in certain cases by zip_transform_view::end.

The type /*iterator*/<true> or /*iterator*/<false> treats the underlying views as const-qualified or non-const-qualified respectively.

Type	Definition
`Parent` (private)	`maybe-const` `<Const, zip_transform_view>` (exposition-only member type*)
`Base` (private)	`maybe-const` `<Const, InnerView>` (exposition-only member type*)
`iterator_category` (conditionally present)	Let `/POT/` denote the pack of types std::iterator_traits<std::iterator_t< /maybe-const/<Const, Views>>>::iterator_category... If `/Base/` models `forward_range`, then `iterator_category` denotes: std::input_iterator_tag, if std::invoke_result_t</maybe-const/<Const, F>&, ranges::range_reference_t</maybe-const/<Const, Views>>...> is not a reference. Otherwise, std::random_access_iterator_tag, if `(std::derived_from</POT/, std::random_access_iterator_tag> && ...)` is `true`. Otherwise, std::bidirectional_iterator_tag, if `(std::derived_from</POT/, std::bidirectional_iterator_tag> && ...)` is `true`. Otherwise, std::forward_iterator_tag, if `(std::derived_from</POT/, std::forward_iterator_tag> && ...)` is `true`. Otherwise, std::input_iterator_tag. Not present if `/Base/` does not model `forward_range`.
`iterator_concept`	`/ziperator/<Const>::iterator_concept`
`value_type`	Let `/RREF/` be `ranges::range_reference_t<Views>...`, and `/CRREF/` be `ranges::range_reference_t<const Views>...`. Then: `std::remove_cvref_t<std::invoke_result_t<F&, /RREF/>>` if `Const` is `false`, `std::remove_cvref_t<std::invoke_result_t<const F&, /CRREF/>>` otherwise.
`difference_type`	`range::range_difference_t</Base/>`

Member	Description
`Parent*` `parent_` (private)	a pointer to the parent object (exposition-only member object*)
`ziperator<Const>` `inner_` (private)	an iterator (exposition-only member object*)