From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- Bachelor/Prog2/Codebeispiele/8_ch13/fig13_07.cpp | 86 ++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 Bachelor/Prog2/Codebeispiele/8_ch13/fig13_07.cpp (limited to 'Bachelor/Prog2/Codebeispiele/8_ch13/fig13_07.cpp') 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 + +using std::cout; +using std::endl; + +#include + +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. * + *************************************************************************/ \ No newline at end of file -- cgit v1.2.3