MergeableCounter.h

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#ifndef Common_MergeableCounter_h
#define Common_MergeableCounter_h

namespace edm {

  struct MergeableCounter {
    MergeableCounter() : value() {}
    ~MergeableCounter() {}
    bool mergeProduct(MergeableCounter const& newThing);
    void swap(MergeableCounter& iOther);
    int value;
  };

}  // namespace edm

#endif