std::experimental::basic_string_view<CharT,Traits>::rbegin, std::experimental::basic_string_view<CharT,Traits>::crbegin
Min standard notice:
Returns a reverse iterator to the first character of the reversed view. It corresponds to the last character of the non-reversed view.
# Declarations
constexpr const_reverse_iterator rbegin() const noexcept;
(library fundamentals TS)
constexpr const_reverse_iterator crbegin() const noexcept;
(library fundamentals TS)
# Return value
const_reverse_iterator to the first character