Tools.h++ Manual

104011 Tandem Computers Incorporated 21-41
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virtual unsigned hash() const;
Inherited from class RWCollectable .
unsigned height() const;
Inherited from class RWBTree .
RWCollectable* insertKeyAndValue(RWCollectable*
key,RWCollectable* value);
Adds a key-value pair to the collection and returns the key if successful, nil if
the key is already in the collection.
virtual RWClassID isA() const;
Redefined from class RWCollectable to return __RWBTREEDICTIONARY .
virtual RWBoolean isEmpty() const;
Inherited from class RWBTree .
virtual RWBoolean isEqual(const RWCollectable* a)
const;
Inherited from class RWCollectable .
virtual size_t occurrencesOf(const
RWCollectable* target) const;
Redefined from class RWCollection . Returns the number of keys that
compare equal with target . Because duplicates are not allowed, this function
can only return 0 or 1.
virtual RWCollectable* remove(const RWCollectable*
target);
Redefined from class RWCollection . Removes the key and value pair for
which the key compares equal to the object pointed to by target . Returns the
key, or nil if no match was found.
virtual void removeAndDestroy(const
RWCollectable* target);
Redefined from class RWCollection . Removes and deletes the key and value
pair for which the key compares equal to the object pointed to by target .
Note – Both the key and the value are deleted. Does nothing if the key is not
found.