// Copyright 2022 The Pigweed Authors
//
// 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
//
//     https://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.

#include "pw_result/result.h"

pw::Result<int> Multiply(int a, int b) { return a * b; }

pw::Result<int> AddTwo(int x) { return x + 2; }

int volatile* unoptimizable;

int main() {
  pw::Result result = Multiply(*unoptimizable, *unoptimizable).and_then(AddTwo);

  if (!result.ok()) {
    return -1;
  }

  return *result;
}