- <init>
Constructor for cloning from another set.
- add
Add a complete set, merging lookaheads where items are already in the set
- all
Access to all elements of the set.
- contains
Does the set contain a particular item?
- equals
Equality comparison.
- find
Return the item in the set matching a particular item (or null if not found)
- get_one
Remove and return one item from the set (done in hash order).
- hashCode
Return hash code.
- is_subset_of
Is this set an (improper) subset of another?
- not_null
Helper function for null test. Throws an interal_error exception if its
parameter is null.
- remove
Remove (set subtract) a complete set.
- size
Size of the set