struct Foo {
    static Func2<U>(u: U) : U {
        return u;
    }

    static Func<T>(t: T): T {
        foo: T = t;
        return Foo.Func2(foo);
    }
}

struct Program {
    static Main(): int {
        x: int = 4;
        y: int = Foo.Func(x);
        return x;
    }
}