assert = macro (ok: u1) void
{
    if (!ok)
    {
        unreachable;
    }
}

align_forward = fn (value: u64, alignment: u64) u64
{
    assert(alignment != 0);
    >mask = alignment - 1;
    >result = (value + mask) & ~mask;
    return result;
}

[export] main = fn [cc(c)] () s32
{
    >result = align_forward(1, 64);

    if (result != 64)
    {
        #trap();
    }

    return 0;
}