String :: isEmpty - Determines whether the string contains no data.
The function returns true , when the string is null or contains an empty string data area. In contrast to isNull () an empty string may contain information about coding type.
odaba::String().isEmpty(); // returns true
odaba::String("").isEmpty(); // returns true
odaba::String("x").isEmpty(); // returns false
odaba::String(false).isEmpty(); // returns false
Return value: Success ( bool )
The value is true when the function was executed successfully. Otherwise the value is set to false .