text: /*
   * This file contains code from "C++ Primer, Fifth Edition", by Stanley B.
   * Lippman, Josee Lajoie, and Barbara E. Moo, and is covered under the
   * copyright and warranty notices given in that book:
   * 
   * "Copyright (c) 2013 by Objectwrite, Inc., Josee Lajoie, and Barbara E. Moo."
   * 
   * 
   * "The authors and publisher have taken care in the preparation of this book,
   * but make no expressed or implied warranty of any kind and assume no
   * responsibility for errors or omissions. No liability is assumed for
   * incidental or consequential damages in connection with or arising out of the
   * use of the information or programs contained herein."
   * 
   * Permission is granted for this code to be used for educational purposes in
   * association with the book, given proper citation if and when posted or
   * reproduced.Any commercial use of this code requires the explicit written
   * permission of the publisher, Addison-Wesley Professional, a division of
   * Pearson Education, Inc. Send your request for permission, stating clearly
   * what code you would like to use, and in what specific way, to the following
   * address: 
   * 
   * 	Pearson Education, Inc.
   * 	Rights and Permissions Department
   * 	One Lake Street
   * 	Upper Saddle River, NJ  07458
   * 	Fax: (201) 236-3290
  */ 
  
  #include <string>
  using std::string;
  
  #include <iostream>
  using std::cout; using std::endl;
  
  // declarations before definitions
  template <typename T> void f(T);
  template <typename T> void f(const T*);
  
  template <typename T> void g(T);
  template <typename T> void g(T*);
  
  // definitions
  template <typename T> void f(T) { cout << "f(T)" << endl; }
  template <typename T> void f(const T*) 
  { cout << "f(const T*)" << endl; }
  
  template <typename T> void g(T) { cout << "g(T)" << endl; }
  template <typename T> void g(T*) { cout << "g(T*)" << endl; }
  
  int main()
  {
  	int i = 42;
  	f(i);  // calls f(T), f(const T*) isn't viable
  	
  	f(&i); // calls f(T), which is an exact match, 
  	       // f(const T*) requires a conversion 
  	
  	g(i);  // calls g(T), g(T*) isn't viable
  	g(&i); // calls g(T*), both templates are viable, 
  	       // but g(T*) is more specialized 
  	
  	int *p = &i;
  	const int ci = 0, *p2 = &ci;
  	g(42);   g(p);   g(ci);   g(p2);
  	f(42);   f(p);   f(ci);   f(p2);
  
  	return 0;
  }
  