keyeditem.h

Data Abstraction & Problem Solving with C++源码

// Same as KeyedItem555.h

// Define KeyType before compilation

// *********************************************************
// Header file KeyedItem.h for the ADT binary search tree.
// *********************************************************

typedef desired-type-of-search-key KeyType;

class KeyedItem
{
public:
   KeyedItem() {}; 
   KeyedItem(const KeyType& keyValue)
            : searchKey(keyValue) {}
   KeyType getKey() const
   { 
      return searchKey;
   } // end getKey
private:
   KeyType searchKey;
   //... and other data
}; // end class