assignreference.cpp

来自「《24学时精通c++》的光盘内容」· C++ 代码 · 共 27 行

 //Listing 11.3
 //Reassigning a reference
 #include <iostream>
 using namespace std; // use std:: objects in this file
 
 int main()
 {
     int  intOne;
     int &rSomeRef = intOne;
 
     intOne = 5;
     cout << "intOne:\t" << intOne << endl;
     cout << "rSomeRef:\t" << rSomeRef << endl;
     cout << "&intOne:\t"  << &intOne << endl;
     cout << "&rSomeRef:\t" << &rSomeRef << endl;
 
     int intTwo = 8;
     rSomeRef = intTwo;  // not what you think!
     cout << "\nintOne:\t" << intOne << endl;
     cout << "intTwo:\t" << intTwo << endl;
     cout << "rSomeRef:\t" << rSomeRef << endl;
     cout << "&intOne:\t"  << &intOne << endl;
     cout << "&intTwo:\t"  << &intTwo << endl;
     cout << "&rSomeRef:\t" << &rSomeRef << endl;
     return 0;
 }