std::basic_string_view<CharT,Traits>::front (3) - Linux Manuals

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

NAME

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

Synopsis


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
back (public member function)
      checks whether the view is empty
empty (public member function)

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