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// 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;
}