klao [Fri, 10 Mar 2006 19:34:47 +0000] rev 2005
unionfind_test: double erase is not supported anymore
klao [Fri, 10 Mar 2006 18:17:37 +0000] rev 2004
UnionFindEnum: one remaining bug; removing commented out code
klao [Fri, 10 Mar 2006 18:06:26 +0000] rev 2003
UnionFindEnum revision:
* 0 is _not_ convertible to list<...>::iterator, so we have to use other means
to define/check validity
* standard LEMON iterator interface for ClassIt and ItemIt