On Mon, Oct 17, 2011 at 5:32 PM, Conrad Parker <con...@metadecks.org> wrote: > On 17 October 2011 23:59, Captain Freako <capn.fre...@gmail.com> wrote: >> In this excerpt from the `StateArrow' page: >> >> runState :: Arrow a => StateArrow s a e b -> a (e, s) (b, s)Source >> >> what's the significance of having written "StateArrow s a e b", instead of >> "StateArrow s a b c"? > > In the context of that page, do you think e might stand for something? > > btw. what's the URL?
http://hackage.haskell.org/packages/archive/arrows/0.4.1.2/doc/html/Control-Arrow-Transformer-State.html I think maybe b is for beginning and e is for end? _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe