W3cubDocs

/C++

std::ranges::slide_view<V>::end

constexpr auto end() requires (!(__simple_view<V> && __slide_caches_nothing<const V>));	(1)	(since C++23)
constexpr auto end() const requires __slide_caches_nothing<const V>;	(2)	(since C++23)

Returns a sentinel or an iterator representing the end of the slide_view.

1) Let base_ and n_ be the underlying data members. Equivalent to:

If V models __slide_caches_nothing, return iterator<false>(ranges::begin(base_) + ranges::range_difference_t<V>(size()), n_);.
Otherwise, if V models __slide_caches_last, return iterator<false>(ranges::prev(ranges::end(base_), n_ - 1, ranges::begin(base_)), n_);.
Otherwise, if V models common_range, return iterator<false>(ranges::end(base_), ranges::end(base_), n_);.
Otherwise, return sentinel(ranges::end(base_));.

If V models __slide_caches_last, this function caches the result within the slide_view::cached_end_ for use on subsequent calls. This is necessary to provide the amortized constant-time complexity required by the range.

2) Equivalent to begin() + ranges::range_difference_t<const V>(size()).

Parameters

(none).

Return value

A sentinel or an iterator representing the end of the slide_view.

Example

A link to test: Compiler Explorer.

#include <iostream>
#include <ranges>
 
int main()
{
    static constexpr auto source = {'A', 'B', 'C', 'D'};
 
    for (const auto subrange: source | std::views::slide(3))
    {
        std::cout << "[ ";
        for (auto it = subrange.begin(); it != subrange.end(); ++it)
            std::cout << *it << ' ';
        std::cout << "]\n";
    }
}

Output:

[ A B C ]
[ B C D ]

begin (C++23)	returns an iterator to the beginning (public member function)
ranges::begin (C++20)	returns an iterator to the beginning of a range (customization point object)
ranges::end (C++20)	returns a sentinel indicating the end of a range (customization point object)

std::ranges::slide_view<V>::end

Parameters

Return value

Example

See also