std::span::rbegin, std::span::crbegin
From cppreference.com
| constexpr reverse_iterator rbegin() const noexcept; |
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| constexpr const_reverse_iterator crbegin() const noexcept; |
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Returns a reverse iterator to the first element of the reversed span. It corresponds to the last element of the non-reversed span. If the span is empty, the returned iterator is equal to rend().
Parameters
(none)
Return value
Reverse iterator to the first element.
Complexity
Constant.
See also
| returns a reverse iterator to the end (public member function) |