// ==========================================================================
// $Id: decltype_ref.cpp,v 1.3 2016/09/19 18:11:25 jlang Exp $
// CSI2372 example Code for lecture 3
// ==========================================================================
// (C)opyright:
//
//   Jochen Lang
//   EECS, University of Ottawa
//   800 King Edward Ave.
//   Ottawa, On., K1N 6N5
//   Canada. 
//   http://www.eecs.uottawa.ca
// 
// Creator: jlang (Jochen Lang)
// Email:   jlang@eecs.uottawa.ca
// ==========================================================================
// $Log: decltype_ref.cpp,v $
// Revision 1.3  2016/09/19 18:11:25  jlang
// Aligned auto and decltype examples
//
// Revision 1.2  2016/09/19 17:38:22  jlang
// decltype references cleaned up
//
// Revision 1.1  2014/09/13 20:00:11  jlang
// fixed file name
//
// Revision 1.1  2014/09/13 19:48:03  jlang
// Added C++11 features to lecture 3
//
//
// ==========================================================================
#include <iostream>

using std::cout;
using std::endl;

int main( ) {
  int i=3, &iRef = i, *iPtr = &i;
  cout << "i = " << i << "\t";
  cout << "iRef = " << iRef << "\t";
  cout << "*iPtr = " << *iPtr << endl;
	
	
  decltype(i) iVal; // iVal is just an interger, 
                    // no need to initialize
  cout << "iVal = " << iVal << " (uninitilized int) ";
  cout << " and " << "i = " << i << endl;
  decltype(iRef) jRef = i;
  ++i;
  cout << "i = " << i << " and ";
  cout << "jRef = " << jRef << " (reference)" << endl;

  decltype(iPtr) kPtr;
  kPtr = iPtr;
  cout << "kPtr = " << kPtr << " (pointer)" << endl;

  decltype((i)) kRef = i;
  ++i;
  cout << "i = " << i << " and ";
  cout << "kRef = " << jRef << " (reference)" << endl;

		
  decltype(*iPtr) lRef = i; 
  // *iPtr is an expression that can appear on the lhs of an assignment 
  ++i;   
  cout << "i = " << i << " and ";
  cout << "lRef = " << lRef << " (reference)" << endl;
  int *k = &lRef;   

  return 0;
}