require = fn (ok: u1) void
{
    if (!ok)
    {
        #trap();
    }
}

S = struct
{
    a: u32,
    b: u32,
    c: u32,
    d: u32,
    e: u32,
    f: u32,
}

ret = fn [cc(c)] () S
{
    return { .a = 56, .b = 57, .c = 58, .d = 59, .e = 60, .f = 61 };
}

arg = fn [cc(c)] (s: S) void
{
    require(s.a == 56);
    require(s.b == 57);
    require(s.c == 58);
    require(s.d == 59);
    require(s.e == 60);
    require(s.f == 61);
}

[export] main = fn [cc(c)] () s32
{
    >s = ret();
    require(s.a == 56);
    require(s.b == 57);
    require(s.c == 58);
    require(s.d == 59);
    require(s.e == 60);
    require(s.f == 61);
    arg(s);
    return 0;
}