自伊朗封锁霍尔木兹海峡以来，中东最大港口的贸易遭受重创。
The RAC has said drivers should not expect a big fall in pump prices soon, although rival group the AA said wholesale fuel costs were now lower than they were at the start of the week.
__auto_type for local type deduction in generated code.
fn is_even(n: int) - bool {