std::ranges::zip_view<Views...>::iterator

 

C++

Compiler support

Freestanding and hosted

Language

Standard library headers

Named requirements

Feature test macros (C++20)

Language support library

Concepts library (C++20)

Metaprogramming library (C++11)

Diagnostics library

General utilities library

Strings library

Containers library

Iterators library

Ranges library (C++20)

Algorithms library

Numerics library

Localizations library

Input/output library

Filesystem library (C++17)

Regular expressions library (C++11)

Concurrency support library (C++11)

Technical specifications

Symbols index

External libraries

 

Ranges library

Range access
begin cbegin end cend	rbegin crbegin rend crend	size ssize data cdata	empty
Range conversions
to (C++23)
Range primitives
range_size_trange_difference_t range_value_t	range_reference_trange_const_reference_trange_rvalue_reference_t   (C++23)	iterator_tconst_iterator_tsentinel_t (C++23)
Dangling iterator handling
dangling	borrowed_iterator_t	borrowed_subrange_t
Range concepts
range borrowed_range    sized_range constant_range (C++23)	common_range view viewable_range	input_range output_range forward_range	bidirectional_range random_access_range contiguous_range
Views
view_interface	subrange
Factories
empty_viewviews::empty iota_viewviews::iota	single_viewviews::single basic_istream_viewviews::istream	repeat_viewviews::repeat (C++23)(C++23)
Adaptors
ref_view views::all_tviews::all common_viewviews::common owning_view views::counted reverse_viewviews::reverse zip_viewviews::zip (C++23)(C++23) as_const_viewviews::as_const (C++23)(C++23) as_rvalue_viewviews::as_rvalue (C++23)(C++23)	take_viewviews::take take_while_viewviews::take_while drop_viewviews::drop drop_while_viewviews::drop_while zip_transform_viewviews::zip_transform (C++23)(C++23) adjacent_transform_viewviews::adjacent_transform (C++23)(C++23)   cartesian_product_viewviews::cartesian_product (C++23)(C++23)	elements_viewviews::elements keys_viewviews::keys values_viewviews::values transform_viewviews::transform adjacent_viewviews::adjacent (C++23)(C++23) slide_viewviews::slide (C++23)(C++23) stride_viewviews::stride (C++23)(C++23)	filter_viewviews::filter join_viewviews::join split_viewviews::split lazy_split_viewviews::lazy_split join_with_viewviews::join_with (C++23)(C++23) chunk_viewviews::chunk (C++23)(C++23) chunk_by_viewviews::chunk_by (C++23)(C++23)
Range adaptor objects
Range adaptor closure objects
Helper items
copyable-box	simple-view

 

std::ranges::zip_view

Member functions

zip_view::zip_view (C++23)

zip_view::begin (C++23)

zip_view::end (C++23)

zip_view::size (C++23)

Deduction guides

Iterator

zip_view::iterator::iterator (C++23)

zip_view::iterator::operator* (C++23)

zip_view::iterator::operator[] (C++23)

zip_view::iterator::operator++ zip_view::iterator::operator++(int) zip_view::iterator::operator-- zip_view::iterator::operator--(int) zip_view::iterator::operator+= zip_view::iterator::operator-= (C++23)(C++23)(C++23)(C++23)(C++23)(C++23)

operator==(zip_view::iterator) operator<(zip_view::iterator) operator>(zip_view::iterator) operator<=(zip_view::iterator) operator>=(zip_view::iterator) operator<=>(zip_view::iterator) (C++23)(C++23)(C++23)(C++23)(C++23)(C++23)

operator+(zip_view::iterator) operator-(zip_view::iterator) (C++23)(C++23)

iter_move(zip_view::iterator) (C++23)

iter_swap(zip_view::iterator) (C++23)

Sentinel

zip_view::sentinel::sentinel (C++23)

operator==(zip_view::sentinel) (C++23)

operator-(zip_view::sentinel) (C++23)

 

template< bool Const > class /*iterator*/;             // exposition only	(1)	(since C++23)
Helper concepts
template< bool C, class... Views > concept /*all-forward*/ =       // exposition only     (ranges::forward_range<std::conditional_t<C, const Views, Views>> && ...);	(2)	(since C++23)
template< bool C, class... Views > concept /*all-bidirectional*/ = // exposition only     (ranges::bidirectional_range<std::conditional_t<C, const Views, Views>> && ...);	(3)	(since C++23)
template< bool C, class... Views > concept /*all-random-access*/ = // exposition only     (ranges::random_access_range<std::conditional_t<C, const Views, Views>> && ...);	(4)	(since C++23)

The iterator type of a possibly const-qualified zip_view, returned by zip_view::begin and in certain cases by zip_view::end. The name of this class template (shown here as iterator) is unspecified.

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

Member types

Member type	Definition
iterator_concept	std::random_access_iterator_tag if /*all-random-access*/<Const, Views...> is true, otherwise std::bidirectional_iterator_tag if /*all-bidirectional*/<Const, Views...> is true, otherwise std::forward_iterator_tag if /*all-forward*/<Const, Views...> is true, otherwise std::input_iterator_tag
iterator_category	std::input_iterator_tag if /*all-forward*/<Const, Views...> is true, not defined otherwise
value_type	If sizeof...(Views) is equal to 2: std::pair<ranges::range_value_t<Views>...> if Const is false, std::pair<ranges::range_value_t<const Views>...> otherwise. Otherwise, std::tuple<ranges::range_value_t<Views>...> if Const is false, std::tuple<ranges::range_value_t<const Views>...> otherwise.
difference_type	std::common_type_t<ranges::range_difference_t<Views>...> if Const is false, std::common_type_t<ranges::range_difference_t<const Views>...> otherwise.

Data members

Typical implementations of iterator hold only one non-static data member: a std::tuple<ranges::iterator_t<Views>...> or std::tuple<ranges::iterator_t<const Views>...> when Const is false or true respectively.

For the purpose of exposition, the underlying iterators in that std::tuple are shown as is_... here.

Member functions

(constructor) (C++23)	constructs an iterator (public member function)
operator* (C++23)	obtains a tuple-like value that consists of underlying pointed-to elements (public member function)
operator[] (C++23)	obtains a tuple-like value that consists of underlying elements at given offset (public member function)
operator++operator++(int) operator--operator--(int)operator+=operator-= (C++23)	advances or decrements the underlying iterators (public member function)

Non-member functions

operator==operator<operator>operator<=operator>=operator<=> (C++23)	compares the underlying iterators (function)
operator+operator- (C++23)	performs iterator arithmetic on underlying iterators (function)
iter_move (C++23)	obtains a tuple-like value that denotes underlying pointed-to elements to be moved (function)
iter_swap (C++23)	swaps underlying pointed-to elements (function)