OperationBase.h

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#ifndef art_test_Utilities_tools_OperationBase_h
#define art_test_Utilities_tools_OperationBase_h

namespace arttest {
  class OperationBase {
  public:
    virtual ~OperationBase() noexcept = default;

    void
    adjustNumber(int& i) const
    {
      do_adjustNumber(i);
    }

  private:
    virtual void do_adjustNumber(int&) const = 0;
  };
} // namespace arttest

#endif /* art_test_Utilities_tools_OperationBase_h */

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