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// Fig. 13.7: fig13_07.cpp
// Demonstrating auto_ptr.
#include <iostream>
using std::cout;
using std::endl;
#include <memory>
using std::auto_ptr; // auto_ptr class definition
class Integer {
public:
// Integer constructor
Integer( int i = 0 )
: value( i )
{
cout << "Constructor for Integer " << value << endl;
} // end Integer constructor
// Integer destructor
~Integer()
{
cout << "Destructor for Integer " << value << endl;
} // end Integer destructor
// functions to set Integer
void setInteger( int i )
{
value = i;
} // end function setInteger
// function to return Integer
int getInteger() const
{
return value;
} // end function getInteger
private:
int value;
}; // end class Integer
// use auto_ptr to manipulate Integer object
int main()
{
cout << "Creating an auto_ptr object that points to an "
<< "Integer\n";
// "aim" auto_ptr at Integer object
auto_ptr< Integer > ptrToInteger( new Integer( 7 ) );
cout << "\nUsing the auto_ptr to manipulate the Integer\n";
// use auto_ptr to set Integer value
ptrToInteger->setInteger( 99 );
// use auto_ptr to get Integer value
cout << "Integer after setInteger: "
<< ( *ptrToInteger ).getInteger()
<< "\n\nTerminating program" << endl;
return 0;
} // end main
/**************************************************************************
* (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
* Hall. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
*************************************************************************/
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