fn main() {
	if u32(1) < -1 {
		println('unexpected')
	}

	if -1 > u32(1) {
		println('unexpected')
	}
	// unsigned == literal
	_ = u8(-1) == -1 // false!
	_ = -1 == u16(-1) // false!
	
	// smaller unsigned == signed, OK
	_ = u16(-1) == int(-1)
	_ = int(-1) != u8(-1)
	
	// smaller signed == unsigned, NG
	_ = i8(0) == u16(0)
	_ = i16(0) != u32(0)
	_ = int(0) == u64(0)
	_ = i32(0) == u64(0) // FIXME
	// swap order
	_ = u16(0) == i8(0)
	_ = u64(0) == i16(0)
}