std::basic_string_view::empty

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constexpr bool empty() const;
(since C++17)

Checks if the view has no characters, i.e. whether size() == 0.

Parameters

(none)

Return value

true if the view is empty, false otherwise

Exceptions

noexcept specification:  
noexcept
  

Complexity

Constant.

See also

returns the number of characters
(public member function)
returns the maximum number of characters
(public member function)