#ifndef MT4Q4_H
#define MT4Q4_H
///////////////////////////////////////////////////////////////
// MT4Q4.h - What does this code do?                         //
//                                                           //
// Jim Fawcett, CSE687 - Object Oriented Design, Spring 2012 //
///////////////////////////////////////////////////////////////

#include <string>
#include <iostream>

class B
{
public:
  B(const std::string& s="") : str(s) {}
  virtual ~B() { std::cout << "\n  ~B() called"; }
  virtual void say()
  {
    std::cout << "\n  B: my string is: \"" << str << "\"";
  }
  std::string& getStr() { return str; }
private:
  std::string str;
};

class D : public B
{
public:
  D(const std::string& s = "") : B(s) {}
  virtual ~D() { std::cout << "\n  ~D() called"; }
  virtual void say()
  {
    std::cout << "\n  D: my string is: \"" << getStr() << "\"";
  }
};

inline B someFunction_Type1() { return B("from someFunction"); }
inline B someFunction_Type2() { return D("from SomeFunction"); }
inline B& someFunction_Type3() { return *new B("from someFunction"); }
inline B& someFunction_Type4() { return *new D("from SomeFunction"); }

#endif