Using an anonymous union: members integer1, double1 and charPtr share the same space : union « Data Types « C++ Tutorial

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C++ Tutorial » Data Types » union

2.35.6.Using an anonymous union: members integer1, double1 and charPtr share the same space

#include <iostream>

using std::cout;

using std::endl;



int main()

{

   union                                                        

   {                                                            

      int integer1;                                             

      double double1;                                           

      char *charPtr;                                            

   };

   integer1 = 2;

   cout << integer1 << endl;



   double1 = 4.4;

   cout << double1 << endl;



   charPtr = "union";

   cout << charPtr << endl;



   return 0;

}

2
4.4
union

2.35.union
	2.35.1.	An example of a union
	2.35.2.	Put int and float into a union
	2.35.3.	A union with method
	2.35.4.	An anonymous union.
	2.35.5.	A union is created with several data types.
	2.35.6.	Using an anonymous union: members integer1, double1 and charPtr share the same space
	2.35.7.	Unions and Classes Are Related

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