Can it do wrapping arithmetic? The `sum` example doesn't seem to do wrapping, but signed int overflow is technically UB so I guess they're fine not to. Switch

Can it do wrapping arithmetic? The `sum` example doesn't seem to do wrapping, but signed int overflow is technically UB so I guess they're fine not to. Switching it to `unsigned int` gives me: code.c:1:1 syntax error: unsupported type