W3cubDocs

/C++

std::ranges::enumerate_view<V>::end

constexpr auto end() requires (!__SimpleView<V>);
(1) (since C++23)
constexpr auto end() const requires /*range-with-movable-references*/<const V>;
(2) (since C++23)

Returns an iterator or a sentinel that compares equal to the end iterator of the enumerate_view.

Let base_ denote the underlying view.

1) Equivalent to:
if constexpr (ranges::common_range<V> and ranges::sized_range<V>)
    return /*iterator*/<false>(ranges::end(base_), ranges::distance(base_));
else
    return /*sentinel*/<false>(ranges::end(base_));
2) Equivalent to:
if constexpr (ranges::common_range<const V> and ranges::sized_range<const V>)
    return /*iterator*/<true>(ranges::end(base_), ranges::distance(base_));
else
    return /*sentinel*/<true>(ranges::end(base_));

Parameters

(none).

Return value

An iterator or a sentinel representing the end of the enumerate_view, as described above.

Example

See also

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

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
https://en.cppreference.com/w/cpp/ranges/enumerate_view/end