@Override
public Object getRelementImpl(int index) {
if (index == 0) {
String name = getBuiltin().getName();
assert name == name.intern();
return RDataFactory.createSymbol(name);
} else {
throw RInternalError.unimplemented();
}
}
@Override
public final Object call(RArgsValuesAndNames args) {
throw RInternalError.unimplemented("unimplemented external builtin: " + name);
}