public Option_TypeZ clone() {
number ret = bindings.COption_TypeZ_clone(this.ptr);
Option_TypeZ ret_hu_conv = Option_TypeZ.constr_from_ptr(ret);
public Option_TypeZ clone() {
number ret = bindings.COption_TypeZ_clone(this.ptr);
Option_TypeZ ret_hu_conv = Option_TypeZ.constr_from_ptr(ret);