30 lines
508 B
30 lines
508 B
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include <mutex>
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#include <map>
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namespace containers {
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struct A {
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int value;
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};
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struct B {
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void access_container_and_contents_ok(int key, int value) {
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int s = map.size();
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mutex_.lock();
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map[key].value = value;
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}
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private:
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std::map<int, A> map;
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std::mutex mutex_;
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};
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} // namespace containers
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