To illustrate your prediction about the side-issues: On Thursday 03 February 2011 22:10:51, Andrew Coppin wrote: > Consider for a moment the original implementation with Data.Map. Adding > a seq or two here will do no good at all; seq reduces to WHNF. What we > are wanting is NF, and I can see no way at all of doing that.
Check out Data.Map.insertWith' _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe