pw_function/size_report/basic_function.cc

// Copyright 2021 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_function/function.h"

namespace {

int volatile* unoptimizable;

void DoTheThing(int value, const pw::Function<void(int)>& callback) {
  callback(value ^ *unoptimizable);
}

}  // namespace

int main() {
  int result;
  DoTheThing(3, [&](int r) { result = r; });
  return result;
}