fn incr(x: &mut int) -> bool { *x += 1; assert (false); return false; } fn main() { let x = 1 == 2 || 3 == 3; assert (x); let mut y: int = 10; log(debug, x || incr(&mut y)); assert (y == 10); if true && x { assert (true); } else { assert (false); } }