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| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Bachelor/Prog2/Codebeispiele/8_ch13/fig13_07.cpp | |
| download | Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.gz Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.bz2 | |
Diffstat (limited to 'Bachelor/Prog2/Codebeispiele/8_ch13/fig13_07.cpp')
| -rw-r--r-- | Bachelor/Prog2/Codebeispiele/8_ch13/fig13_07.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_07.cpp b/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_07.cpp new file mode 100644 index 0000000..975c0fc --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_07.cpp @@ -0,0 +1,86 @@ +// 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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