std::ranges::cartesian_product_view<First, Vs...>::iterator<Const>::operator++,--,+=,-=

 

C++

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Feature test macros (C++20)

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Concepts library (C++20)

Metaprogramming library (C++11)

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General utilities library

Strings library

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Iterators library

Ranges library (C++20)

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Filesystem library (C++17)

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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_trange_value_trange_reference_t	iterator_tconst_iterator_tsentinel_tconst_sentinel_t (C++23)(C++23)	range_const_reference_trange_rvalue_reference_trange_common_reference_t (C++23)	elements_of (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
Range factories
empty_viewviews::empty single_viewviews::single	iota_viewviews::iota repeat_viewviews::repeat (C++23)(C++23)	basic_istream_viewviews::istream
Range adaptors
views::all_tviews::all ref_view owning_view as_rvalue_viewviews::as_rvalue (C++23)(C++23) filter_viewviews::filter transform_viewviews::transform take_viewviews::take take_while_viewviews::take_while	drop_viewviews::drop drop_while_viewviews::drop_while join_viewviews::join join_with_viewviews::join_with (C++23)(C++23) lazy_split_viewviews::lazy_split split_viewviews::split views::counted common_viewviews::common	reverse_viewviews::reverse as_const_viewviews::as_const (C++23)(C++23) elements_viewviews::elements keys_viewviews::keys values_viewviews::values enumerate_viewviews::enumerate (C++23)(C++23) zip_viewviews::zip (C++23)(C++23) zip_transform_viewviews::zip_transform (C++23)(C++23)	adjacent_viewviews::adjacent (C++23)(C++23) views::pairwise (C++23) adjacent_transform_viewviews::adjacent_transform (C++23)(C++23) views::pairwise_transform (C++23) chunk_viewviews::chunk (C++23)(C++23) slide_viewviews::slide (C++23)(C++23) chunk_by_viewviews::chunk_by (C++23)(C++23) stride_viewviews::stride (C++23)(C++23) cartesian_product_viewviews::cartesian_product (C++23)(C++23)
Range generators
std::generator (C++23)
Range adaptor objects
Range adaptor closure objects
range_adaptor_closure (C++23)
Helper items
copyable-box movable-box (until C++23)(C++23)	simple-view non-propagating-cache

 

std::ranges::cartesian_product_view

Member functions

cartesian_product_view::cartesian_product_view (C++23)

cartesian_product_view::begin (C++23)

cartesian_product_view::end (C++23)

cartesian_product_view::size (C++23)

Deduction guides

Iterator

Member functions

cartesian_product_view::iterator::iterator (C++23)

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

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

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

cartesian_product_view::iterator::next (C++23)

cartesian_product_view::iterator::prev (C++23)

cartesian_product_view::iterator::distance_from (C++23)

Non-member functions

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

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

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

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

 

constexpr /*iterator*/& operator++();	(1)	(since C++23)
constexpr void operator++( int );	(2)	(since C++23)
constexpr /*iterator*/ operator++( int )   requires ranges::forward_range</*maybe-const*/<Const, First>>;	(3)	(since C++23)
constexpr /*iterator*/& operator--()   requires /*cartesian-product-is-bidirectional*/<Const, First, Vs...>;	(4)	(since C++23)
constexpr /*iterator*/ operator--( int )   requires /*cartesian-product-is-bidirectional*/<Const, First, Vs...>;	(5)	(since C++23)
constexpr /*iterator*/& operator+=( difference_type n )   requires /*cartesian-product-is-random-access*/<Const, First, Vs...>;	(6)	(since C++23)
constexpr /*iterator*/& operator-=( difference_type n )   requires /*cartesian-product-is-random-access*/<Const, First, Vs...>;	(7)	(since C++23)

Increments or decrements the iterator.

Let current_ denote the underlying tuple of iterators and parent_ denote the underlying pointer to cartesian_product_view.

1) Equivalent to next(); return *this;

2) Equivalent to ++*this;

3) Equivalent to auto tmp = *this; ++*this; return tmp;

4) Equivalent to prev(); return *this;

5) Equivalent to auto tmp = *this; --*this; return tmp;

6) Sets the value of *this to ret, where ret is:

• if n > 0, the value of *this provided that next been called n times. Otherwise,
• if n < 0, the value of *this provided that prev been called -n times. Otherwise,
• the value of *this before the call.

The behavior is undefined if n is not in the range [ranges::distance(*this, ranges::begin(*parent_)), ranges::distance(*this, ranges::end(*parent_))].

7) Equivalent to *this += -n; return *this;.

Parameters

n

-

position relative to current location

Return value

1,4,6,7) *this

2) (none)

3,5) a copy of *this that was made before the change.

Complexity

6) Constant.

See also

operator+operator- (C++23)

performs iterator arithmetic (function)