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

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

Returns reference to the first character in the view.

Parameters

(none)

Return value

reference to the first character, equivalent to operator [ ] ( 0 ) .

Complexity

Constant.

See also

accesses the last character
(public member function)