main() {
    let x: u64;
    let y: u64;
    let z: u64;
    let z_var: u64;

    x, y = (4, 5);
    z = (6);
    z_var = 6;

    assert(move(x) == 4, 42);
    assert(move(y) == 5, 42);
    assert(move(z) == 6, 42);
    assert(move(z_var) == 6, 42);
    return;
}