module A {
    struct T {value: u64}

    public new(v: u64): V#Self.T {
        return T{v: move(v)};
    }

    public add_one(this: &mut V#Self.T): u64 {
        let b: &u64;
        b = &move(this).value;
        return *move(b) + 1;
    }

    public add_two(v: u64): u64 {
        return move(v) + 2;
    }
}

//! new-transaction
import {{default}}.A;

main() {
    let z: u64;
    let x: V#A.T;
    x = A.new(5);
    z = A.add_two(A.add_two(A.add_one(&mut x)));
    assert(move(z) == 10, 42);
    return;
}