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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <memory>
namespace vespalib {
/**
* Interface for class that performs a callback when instance is
* destroyed. Typically a shared pointer to an instance is passed
* around to multiple worker threads that performs portions of a
* larger task before dropping the shared pointer, triggering the
* callback when all worker threads have completed.
*/
class IDestructorCallback
{
public:
using SP = std::shared_ptr<IDestructorCallback>;
virtual ~IDestructorCallback() = default;
};
} // namespace search
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