std::ranges::stride_view<V>::stride_view

 

C++

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Feature test macros (C++20)

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Concepts library (C++20)

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Metaprogramming library (C++11)

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Iterators library

Ranges library (C++20)

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Filesystem library (C++17)

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Symbols index

External libraries

 

Ranges library

Range access begin cbegin   end cend rbegin crbegin   rend crend size ssize   data cdata reserve_hint (C++26)   empty

Range conversions std::from_range_t std::from_range (C++23)(C++23)     to (C++23)

Dangling iterator handling dangling borrowed_iterator_t borrowed_subrange_t

Range primitives
range_size_trange_difference_trange_value_t elements_of (C++23)	iterator_tconst_iterator_tsentinel_tconst_sentinel_t (C++23)(C++23)	range_reference_trange_const_reference_trange_rvalue_reference_trange_common_reference_t (C++23)

Range concepts
range borrowed_range    common_range	sized_range viewable_range    view	input_range output_range forward_range	bidirectional_range    random_access_range contiguous_range	approximately_sized_range (C++26) constant_range (C++23)

Views
view_interface	subrange

Range factories
empty_viewviews::empty	single_viewviews::single	basic_istream_viewviews::istream	iota_viewviews::iota	repeat_viewviews::repeat (C++23)(C++23)

Range adaptors
views::all_tviews::all as_rvalue_viewviews::as_rvalue (C++23)(C++23)   filter_viewviews::filter transform_viewviews::transform take_viewviews::take take_while_viewviews::take_while common_viewviews::common views::counted as_input_viewviews::as_input (C++26)(C++26)	ref_view drop_viewviews::drop drop_while_viewviews::drop_while lazy_split_viewviews::lazy_split split_viewviews::split join_viewviews::join join_with_viewviews::join_with (C++23)(C++23)   concat_viewviews::concat (C++26)(C++26) cache_latest_viewviews::cache_latest (C++26)(C++26)	owning_view 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 closure objects range_adaptor_closure (C++23)

Range adaptor objects

Helper items
copyable-box movable-box (until C++23)  (C++23)	simple-view non-propagating-cache

 

std::ranges::stride_view

Member functions

stride_view::stride_view

stride_view::base

stride_view::stride

stride_view::begin

stride_view::end

stride_view::size

stride_view::reserve_hint (C++26)

Deduction guides

Iterator

Member functions

stride_view::iterator::iterator

stride_view::iterator::base

stride_view::iterator::operator*

stride_view::iterator::operator[]

stride_view::iterator::operator++ stride_view::iterator::operator++(int) stride_view::iterator::operator-- stride_view::iterator::operator--(int) stride_view::iterator::operator+= stride_view::iterator::operator-=

Non-member functions

operator==(std::default_sentinel_t) operator==(stride_view::iterator) operator<(stride_view::iterator) operator>(stride_view::iterator) operator<=(stride_view::iterator) operator>=(stride_view::iterator) operator<=>(stride_view::iterator)

operator+(stride_view::iterator) operator-(stride_view::iterator)

iter_move(stride_view::iterator)

iter_swap(stride_view::iterator)

 

constexpr explicit stride_view( V base, ranges::range_difference_t<V> stride );		(since C++23)

See More

Constructs a stride_view initializing the underlying data members:

• move construct the underlying view base_ with std::move(base),
• construct the stride_ with stride.

If stride < 1 the behavior is undefined.

Parameters

base	-	the source view
stride	-	the stride value

Example

Run this code

#include <algorithm>
#include <iostream>
#include <iterator>
#include <ranges>
#include <string_view>

void print(std::string_view rem, auto v, std::string_view term = "\n")
{
    std::cout << rem << ": ";
    std::ranges::copy(v, std::ostream_iterator<int>(std::cout, " "));
    std::cout << term;
};

int main()
{
    auto source = std::views::iota(1, 10);
    print("source", source);

    for (int stride_value : std::views::iota(1, 6))
    {
        auto strided_view = std::views::stride(source, stride_value);

        print("stride", std::views::single(stride_value), "-> ");
        print("result", strided_view);
    }
}

Output:

source: 1 2 3 4 5 6 7 8 9
stride: 1 -> result: 1 2 3 4 5 6 7 8 9
stride: 2 -> result: 1 3 5 7 9
stride: 3 -> result: 1 4 7
stride: 4 -> result: 1 5 9
stride: 5 -> result: 1 6