// temp1.cpp

#include <iostream>

class Y
{
public:
  Y() { std::cout << "\n  Y()"; }
  Y(const Y& y) { std::cout << "\n  Y(const Y& y)"; }
  Y& operator=(const Y& y)
  {
    if(this == &y) return *this;
    std::cout << "\n  Y::Operator=()";
    return *this;
  }
};

class X : public Y
{
public:
  X() { std::cout << "\n  X()"; }
  X(const X& x) : Y(x) { std::cout << "\n  X(const X& x)"; }
  X func() { 
    std::cout << "\n  func()";  
    return *this; 
  }
};

int main()
{
  Y y = X().func();  // does not call operator=()

  std::cout << "\n\n";
  return 0;
}