number ret = bindings.COption_TypeZ_some(o == null ? 0 : o.ptr);
Option_TypeZ ret_hu_conv = Option_TypeZ.constr_from_ptr(ret);
ret_hu_conv.ptrs_to.add(ret_hu_conv);
number ret = bindings.COption_TypeZ_some(o == null ? 0 : o.ptr);
Option_TypeZ ret_hu_conv = Option_TypeZ.constr_from_ptr(ret);
ret_hu_conv.ptrs_to.add(ret_hu_conv);