58 lines
2.4 KiB
C++
58 lines
2.4 KiB
C++
// fig10_45.cpp
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// Driver for multiple-inheritance example.
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#include <fmt/format.h>
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#include <iostream>
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#include "Base1.h"
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#include "Base2.h"
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#include "Derived.h"
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int main() {
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Base1 base1{10}; // create Base1 object
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Base2 base2{'Z'}; // create Base2 object
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Derived derived{7, 'A', 3.5}; // create Derived object
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// print data in each object
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std::cout << fmt::format("{}: {}\n{}: {}\n{}: {}\n\n",
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"Object base1 contains", base1.getData(),
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"Object base2 contains the character", base2.getData(),
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"Object derived contains", derived.toString());
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// print data members of derived-class object
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// scope resolution operator resolves getData ambiguity
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std::cout << fmt::format("{}\n{}: {}\n{}: {}\n{}: {}\n\n",
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"Data members of Derived can be accessed individually:",
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"int", derived.Base1::getData(),
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"char", derived.Base2::getData(),
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"double", derived.getReal());
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std::cout << "Derived can be treated as an object"
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<< " of either base class:\n";
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// treat Derived as a Base1 object
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Base1* base1Ptr = &derived;
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std::cout << fmt::format("base1Ptr->getData() yields {}\n",
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base1Ptr->getData());
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// treat Derived as a Base2 object
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Base2* base2Ptr = &derived;
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std::cout << fmt::format("base2Ptr->getData() yields {}\n",
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base2Ptr->getData());
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}
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/**************************************************************************
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* (C) Copyright 1992-2022 by Deitel & Associates, Inc. and *
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* Pearson Education, Inc. All Rights Reserved. *
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* *
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* DISCLAIMER: The authors and publisher of this book have used their *
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* best efforts in preparing the book. These efforts include the *
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* development, research, and testing of the theories and programs *
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* to determine their effectiveness. The authors and publisher make *
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* no warranty of any kind, expressed or implied, with regard to these *
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* programs or to the documentation contained in these books. The authors *
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* and publisher shall not be liable in any event for incidental or *
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* consequential damages in connection with, or arising out of, the *
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* furnishing, performance, or use of these programs. *
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**************************************************************************/
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