// -*- rust -*-
fn main() {
    let a: int = 1;
    let b: int = 2;
    a ^= b;
    b ^= a;
    a = a ^ b;
    log a;
    log b;
    assert (b == 1);
    assert (a == 2);
    assert (!0xf0 & 0xff == 0xf);
    assert (0xf0 | 0xf == 0xff);
    assert (0xf << 4 == 0xf0);
    assert (0xf0 >> 4 == 0xf);
    assert (-16 >>> 2 == -4);
    assert (0b1010_1010 | 0b0101_0101 == 0xff);
    assert (-1000 >> 3 == 536870787);
}