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

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C++ Tutorial » Data Types » reference

2.32.1.Creating and Using References

#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

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