Excerpts from Edward Z. Yang's message of Tue Dec 08 17:45:19 -0500 2009: > Excerpts from Torsten Otto's message of Tue Dec 08 17:34:30 -0500 2009: > > testlist 1 = []:[] > > testlist n = []:(testlist n-1) > > Works for me on GHC 6.10.4. What compiler are you using? Ah, it compiles, but refuses to run. Please ignore me. :-) Edward