c12p704a.txt

来自「Data Abstraction & Problem Solving with 」· 文本 代码 · 共 19 行

// *********************************************************
// Header file KeyedItem.h. 
// Provides basis for classes that need a search key value.
// *********************************************************
typedef desired-type-of-search-key KeyType;

class KeyedItem
{
public:
   KeyedItem() {};
   KeyedItem(const KeyType& keyValue) : searchKey(keyValue) {}
   KeyType getKey() const // returns search key
   {   
      return searchKey;
   }  // end getKey
private:
   KeyType searchKey;
};  // end KeyedItem class