#include <iostream>
 
class Worker
{
public:
  virtual ~Worker() = default;
  virtual void work() const = 0;
};
 
class Employer
{
public:
  void askForWork(Worker const &w)
  {
  	w.work();
  }
};
 
int main() {
  Employer e;
 
  typedef struct : Worker {
  	void work() const override
  	{
  	  std::cout << "I'm working\n";
  	}
  } LocalWorkerT;
 
  struct : Worker {
  	void work() const override
  	{
  	  std::cout << "I'm working too\n";
  	}
  } LocalWorker;
 
  e.askForWork(LocalWorkerT {});
  e.askForWork(LocalWorker);
}

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