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For example, suppose the Student class defines a new member function called                  'set_roommate()'.  Then person[1] as defined above cannot directly accept a                set_roommate() message, since this variable was declared as a Person pointer.  Rather a CAST* must be used to identify person[1] as a Student pointer:

    ((Student*) person[1])->set_roommate();









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122

-- part contents for background part 29
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47191

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Casts for type conversion

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Casts for type conversion - p150