/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#pragma once
#include <optional>

// Not nullable output and not nullable inputs
int testAdd1(int input1, int input2) {
  return input1 + input2;
}

// Nullable outputs
std::optional<int> testAdd2(int input1, int input2) {
  return std::optional<int>(input1 + input2);
}

// Nullable outputs and inputs
std::optional<int> testAdd3(
    std::optional<int> input1,
    std::optional<int> input2) {
  if (input1.has_value() && input2.has_value()) {
    return input1.value() + input2.value();
  }
  return {};
}
