On Mon, Oct 28, 2019 at 3:16 PM Xeno Amess <xenoam...@gmail.com> wrote:
> then it is better to make a AbstractBitSet abstract class?and two sub > classes MutableBitSet and ImmutableBitSet... > Why would you need that? The JRE already has a BitSet class. The idea is to reuse it, hence the new Lang immutable type extending the existing JRE mutable one. I do not think we need to reinvent the wheel here. Gary > ?? Outlook for Android<https://aka.ms/ghei36> > > ________________________________ > From: Gary Gregory <garydgreg...@gmail.com> > Sent: Tuesday, October 29, 2019 2:42:29 AM > To: Commons Developers List <dev@commons.apache.org> > Subject: [lang] immutable BitSet > > Hi All, > > Any thoughts for or against adding an ImmutableBitSet as a subclass > of BitSet? > > It would throw an exception on attempt to mutate. > > I can then be used to define an EMPTY_BITSET constant. > > I could also be used in some of our methods that return a new empty bit > set, if appropriate of course. > > Gary >
