search for: issingleton

On Wed, Feb 11, 2009 at 8:24 PM, Ted Kremenek <kremenek at apple.com> wrote: > Actually, neither of these methods are needed for ImmutableSet. > ImmutableSet already has an 'isEmpty()' method and I have never really seen > a case where "size()" needs to be explicitly calculated. If you need size() > itself, however, this seems like a perfectly valid addition.

...eds to be explicitly calculated. If you >> need size() >> itself, however, this seems like a perfectly valid addition. > > I need to check for size() == 1 (in order to test whether a range set > has a single possible value). Ah. If that is the case, we can implement a 'isSingleton()' method with constant time performance (i.e., check if we have a root, and check that the root has no children). Would that work?

...ated. If you need >>> size() >>> itself, however, this seems like a perfectly valid addition. >> >> I need to check for size() == 1 (in order to test whether a range set >> has a single possible value). > > Ah. If that is the case, we can implement a 'isSingleton()' method with > constant time performance (i.e., check if we have a root, and check that the > root has no children). Would that work? Sure would!