[Haskell-cafe] Monad with limited backtracking

2012-07-12 Thread Darryn Reid
Darryn J Reid. ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] Re: Seeking advice about monadic traversal functions

2010-04-02 Thread Darryn Reid
Martijn, Thanks for your comment and advice. Could you explain a little further your thinking? Specifically, what advantage do you find in the applicative notation, and when would you advise using it and when would you advise not using it? Thanks again, I appreciate your help. Darryn. On Fri

Re: [Haskell-cafe] Data Structures GSoC

2010-03-31 Thread Darryn Reid
the limitations of the existing HashTable library than do I, for am only new to Haskell, so sorry if my suggestion is an eyeball-roller). Darryn. On Wed, 2010-03-31 at 00:00 -0700, Nathan Hunter wrote: Hello. I am hoping to take on the Data Structures project proposed two years ago by Don

Re: [Haskell-cafe] Re: Seeking advice about monadic traversal functions

2010-03-31 Thread Darryn Reid
Heinrich, Thanks for your excellent response! Indeed, it was the rebuilding of the tree that had me stumped. I also see the benefits of using the lift functions, thanks again for this insight. Darryn. On Wed, 2010-03-31 at 12:44 +0200, Heinrich Apfelmus wrote: Darryn Reid wrote: I've coded

[Haskell-cafe] Seeking advice about monadic traversal functions

2010-03-30 Thread Darryn Reid
help! Darryn. start of code. - import Control.Monad import Control.Monad.Identity -- Tableau is a tree containing formulas of type a, in -- Fork (disjunctive) nodes and Single (conjunctive) nodes. -- Paths from root to Nil

Re: [Haskell-cafe] Rigid type variable error

2009-06-27 Thread Darryn
is odd or the answer is obvious, I'm still very new to Haskell. Darryn. ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

[Haskell-cafe] Rigid type variable error

2009-06-26 Thread Darryn
From: Darryn djr...@aapt.net.au To: beginn...@haskell.org Subject: Rigid type variables match error Date: Sat, 27 Jun 2009 10:18:13 +0930 Hi, I wonder if anyone can explain