/** * This method evaluates whether the left operand is NOT equal to the right operand. * * @access public * @static * @param IArrayList\Type $xs the left operand * @param Core\Type $ys the right operand * @return IBool\Type whether the left operand is NOT equal * to the right operand */ public static function ne(IArrayList\Type $xs, Core\Type $ys) : IBool\Type { // != return IBool\Module::not(IArrayList\Module::eq($xs, $ys)); }