Exemplo n.º 1
0
 /**
  * This method (aka "null") returns whether this string is empty.
  *
  * @access public
  * @static
  * @param IString\Type $xs                                  the left operand
  * @return IBool\Type                                       whether the string is empty
  */
 public static function isEmpty(IString\Type $xs) : IBool\Type
 {
     return $xs->isEmpty();
 }