// B2.10.cpp : Defines the entry point for the application.
//
// Given the declarations:
//
// template <class T> class B { … private: const T t; }
// class C : public B<std::string> { … private: const int len; }
//
// write a constructor for B that takes a T argument.  
// Write a constructor for C that sets len to the length of its base’s 
// string argument.  where is C's string argument created?  You may assume 
// that the only data members are the ones shown.


#include "stdafx.h"
#include <iostream>
using namespace std;

template <class T> class B {
public:

//// first part of answer ///////
  B(const T& targ) : t(targ) {} 
/////////////////////////////////

  virtual void say() {
    cout << "\n  B's data member = " << t;
  }
private:
  const T t;
};

class C : public B<std::string> {
public:

//// second part of answer /////////////////////////////////
  C(const string &s) : B<string>(s), len((int)s.size()) {}
////////////////////////////////////////////////////////////

  virtual void say() {
    B<string>::say();
    cout << "\n  C's data member = " << len;
  }
private: 
  const int len; 
};

ostream& operator<<(ostream& out, const string &s)
{
  out << s.c_str();
  return out;
}

int _tmain(int argc, _TCHAR* argv[])
{
  std::cout << "\n  Exam B2 - Question #10 "
            << "\n ========================\n";

  C c("Peter Piper picked a peck of pickled peppers");
  c.say();

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