std::ranges::join_view<V>::end
constexpr auto end(); | (1) | (since C++20) |
constexpr auto end() const
requires ranges::input_range<const V> &&
std::is_reference_v<ranges::range_reference_t<const V>>;
| (2) | (since C++20) |
Returns a sentinel or an iterator representing the end of the join_view.
Let base_ be the underlying view:
1) Equivalent to
if constexpr (ranges::forward_range<V> &&
std::is_reference_v<ranges::range_reference_t<V>> &&
ranges::forward_range<ranges::range_reference_t<V>> &&
ranges::common_range<V> &&
ranges::common_range<ranges::range_reference_t<V>>)
return /*iterator*/</*simple-view*/<V>>{*this, ranges::end(base_)};
else
return /*sentinel*/</*simple-view*/<V>>{*this};
2) Equivalent to
if constexpr (ranges::forward_range<const V> &&
std::is_reference_v<ranges::range_reference_t<const V>> &&
ranges::forward_range<ranges::range_reference_t<const V>> &&
ranges::common_range<const V> &&
ranges::common_range<ranges::range_reference_t<const V>>)
return /*iterator*/<true>{*this, ranges::end(base_)};
else
return /*sentinel*/<true>{*this};
Parameters
(none)
Return value
1) sentinel which compares equal to the end iterator.
2) iterator to the element following the last element.
Example
See also
| returns an iterator to the beginning (public member function) |
|
|
(C++20) | returns a sentinel indicating the end of a range (customization point object) |
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