deba [Fri, 14 Oct 2005 10:44:49 +0000] rev 1718
Extending observer interface
It will be used in the indegmap, outdegmap types
deba [Fri, 14 Oct 2005 10:40:00 +0000] rev 1717
Added clear function to heaps and concept
alpar [Fri, 07 Oct 2005 11:05:35 +0000] rev 1716
Sym -> Undir