long ret = bindings.COption_C2Tuple_u64u64ZZ_some(o != null ? o.ptr : 0);
Reference.reachabilityFence(o);
if (ret >= 0 && ret <= 4096) { return null; }
long ret = bindings.COption_C2Tuple_u64u64ZZ_some(o != null ? o.ptr : 0);
Reference.reachabilityFence(o);
if (ret >= 0 && ret <= 4096) { return null; }