scala/scala — pull request #13 by szeiger (2011-12-02 12:04:52+00:00)
Title: Enumeration and Enumeration.ValueSet improvements

- Make Enumeration.ValueSet a SortedSet and back it by a BitSet
- Add toBitMask and fromBitMask methods for value sets
- Add an Ordering for the values
- Deprecate names seq in the Enumeration constructor
- Add + method to Value for easy ValueSet creation