std::experimental::basic_string_view<CharT,Traits>:: back

From cppreference.com
constexpr const_reference back ( ) const ;
(library fundamentals TS)

Returns reference to the last character in the view.

Parameters

(none)

Return value

Reference to the last character, equivalent to operator [ ] ( size ( ) - 1 ) .

Complexity

Constant.

See also

accesses the first character
(public member function)