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/* -*- C++ -*- */
// $Id$
#ifndef __KEYTYPE_H_
#define __KEYTYPE_H_
// Listing 1 code/ch05
class KeyType
{
public:
friend bool operator == (const KeyType&, const KeyType&);
KeyType () : val_(0) {}
KeyType (int i) : val_(i) {}
KeyType (const KeyType& kt) { this->val_ = kt.val_; };
operator int() const { return val_; };
private:
int val_;
};
bool operator == (const KeyType& a, const KeyType& b)
{
return (a.val_ == b.val_);
}
// Listing 1
#endif /* __KEYTYPE_H_ */
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