> And, I've search the meaning of the symbol "~", but I've found nothing about > this (note that's not easy to search "~" on google ...)
Searching for "haskell tilde" produces a lot of results and they're all relevant (on the first page at least). D _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe