// Fig. 23.7: fig23_07.cpp // Demonstrating auto_ptr #include using std::cout; using std::endl; #include using std::auto_ptr; class Integer { public: Integer( int i = 0 ) : value( i ) { cout << "Constructor for Integer " << value << endl; } ~Integer() { cout << "Destructor for Integer " << value << endl; } void setInteger( int i ) { value = i; } int getInteger() const { return value; } private: int value; }; // end class Integer int main() { cout << "Creating an auto_ptr object that points " << "to an Integer\n"; auto_ptr< Integer > ptrToInteger( new Integer( 7 ) ); cout << "Using the auto_ptr to manipulate the Integer\n"; ptrToInteger->setInteger( 99 ); cout << "Integer after setInteger: " << ( *ptrToInteger ).getInteger() << "\nTerminating program" << endl; return 0; } // end function main /************************************************************************** * (C) Copyright 1992-2004 by Deitel & Associates, Inc. and * * Pearson Education, Inc. 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. * *************************************************************************/