Creating and Using References : reference « Data Types « C++ Tutorial






  1. C++ Tutorial
  2. Data Types
  3. reference
#include <iostream>
 
 int main()
 {
     int  intValue;
     int &intReference = intValue;
 
     intValue = 5;
     std::cout << "intValue: " << intValue << std::endl;
     std::cout << "intReference: " << intReference << std::endl;
 
     intReference = 7;
     std::cout << "intValue: " << intValue << std::endl;
     std::cout << "intReference: " << intReference << std::endl;
     return 0;
 }

intValue: 5
intReference: 5
intValue: 7
intReference: 7




2.32.reference
2.32.1.Creating and Using References
2.32.2.Use References operator &
2.32.3.References must be initialized
2.32.4.Change reference value
2.32.5.Reassigning a reference
2.32.6.Returning a reference
2.32.7.Assign value to a reference-return
2.32.8.Return a reference to an array element.
2.32.9.Use an independent reference.
2.32.10.class for counted reference semantics
2.32.11.Use reference to swap value
2.32.12.constant references
2.32.13.Use reference as a return type