On Sunday 09 October 2011, 13:52:47, Jean-Marie Gaillourdet wrote: > This seems to be a Heisenbug as it is extremely fragile, when adding a > "| grep 1" to the while loop it seems to disappears. At least on my > computers.
Still produces 1s here with a grep. > > All this was done on several Macs running the latest OS X Lion with ghc > 7.0.3 from the binary distribution on the GHC download page. linux x86_64, ghc-7.0.4, 7.0.2 and 6.12.3. Indeed 6.12.3 goes so far to sometimes produce 0 0 --- 10 --- 0 0 --- 01 --- i.e. it switches threads during print. _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
