Sable/soot — pull request #15 by quentin (2012-12-02 20:32:11+00:00)
Title: Fix NullPointerException in MemoryEfficientRasUnion.toString

Hi Eric, just fixed a minor bug:

MemoryEfficientRasUnion.toString is calling subsets.toString() however subsets might be null, raising a NullPointerException.

Now the method is returning "[]" (~ empty set) if subsets is null.