pw_result/size_report/monadic_or_else.cc

// 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 <cstdio>

#include "pw_result/result.h"

pw::Result<float> Divide(float a, float b) {
  if (b == 0) {
    return pw::Status::InvalidArgument();
  }
  return a / b;
}

float volatile* unoptimizable;

int main() {
  pw::Result result =
      Divide(*unoptimizable, *unoptimizable).or_else([](pw::Status status) {
        printf("result failed with %d", status.code());
      });
  result.IgnoreError();

  return 0;
}