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

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constexpr const_reference front() const;
(since C++17)

Returns reference to the first character in the view. The behavior is undefined if empty() == true.

Parameters

(none)

Return value

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

Complexity

Constant.

See also

accesses the last character
(public member function)
checks whether the view is empty
(public member function)