bitfield(s32) Bitfield{
    a: u1,
    b: u1,
    c: u1,
    d: u29,
}

fn[cc(.c)] main[export]() s32 {
    >bf: Bitfield = {
        .a = 0,
        .b = 1,
        .c = 1,
        .d = 0,
    };
    >bf_int: s32 = #transmute(bf);

    >bf_int2: s32 = 6;
    >bf2: Bitfield = #transmute(bf_int2);
    #assert(bf.a == bf2.a);
    #assert(bf.b == bf2.b);
    #assert(bf.c == bf2.c);
    #assert(bf.d == bf2.d);
    
    return bf_int - bf_int2;
}