haskell-exercises

Hi! In Course/StateT, we are asked to implement an Applicative instance for OptionalT. I initially

Hi, Looking for some help related to Haskell programming, If someone is free to cheap in few hours to

Hi Tony, I found the problem. The second argument of `<*>` must be lazy. Once I change it to ``

I'd avoid thinking about combining map *into* zip', and more combining map *with* zip'.

Try this: f :: (Int -> Bool) fn | n `rem` 5 == 0 = False | otherwise = True On Tue, Oct 31, 2017

https://github.com/NICTA/course/blob/master/README.markdown#progression On Fri, Aug 12, 2016 at 5:58

Hi, Thanks for the reply! I came up with solutions and they typechecked (in all "possible"

Hi David, no, I deleted the course directory and started afresh so there is no "./dist"

Thanks Tony, that fixed it! R On Wednesday, September 9, 2015 at 8:44:03 PM UTC+10, Tony Morris wrote

The a0 could be anything as long as it isn't a or b. On 03/09/2015 9:24 AM, "Jimmy P"

Gah! That was it! Thank you Charles :) On Wed, 2 Sep 2015 at 08:56 Charles O'Farrell <charleso

Running doctests without any changes to Course.List with ghc 7.10.1 on OSX, I get: ### Failure in src

Thanks, Tony. And thank you very much for the course. It is very good--I am learning and enjoying it

Sleep always works. Where was your bug? On 02/01/15 12:46, Ramakrishnan Muthukrishnan wrote: >

Yep, on the right track. So, to continue: 1. make sure all of your detailed requirements are met in

I appreciate the thoughtful reply, and will ponder it when I return to these exercises. I fully

On Saturday, 30 November 2013 20:37:05 UTC-8, Tony Morris wrote: It is given by NICTA and has so far

Hello, There have been some major changes to https://github.com/NICTA/course/ Hopefully, I can start

Hello everyone, You might have noticed some major changes to the repository recently. Sorry if it has

Thanks - I'll google that and hopefully be able to figure out where to go from there. R On

Yes, mapM is indeed fmap then sequence. Also, sequence is mapM id. In other words, mapM and sequence

Yeah bit of sneaky modification that I thought nobody would notice. On 31/07/2013 8:58 AM, "

Thanks, that helps a lot. R On Sunday, July 28, 2013 1:40:17 PM UTC+10, Tony Morris wrote: On 28/07/

I think that makes sense. On 25/07/13 13:47, Riaan Rottier wrote: > Still confused. Let say: >

Perfect sense. Thanks Riaan

The advice I got on irc was to favour virthualenv over cabal-dev for reasons that were not clear. I

Earlier we implemented fmaap as: fmaap f = bind (\a -> reeturn (fa)) This is in the same shape as

That's awesome. Thanks! Try this. State . liftA2 (&&&) S.member S.insert -- Tony

To be clear, seqf is a specialisation of seequence, but that specialisation permits an easier

Next exercise is Moonads.hs: https://github.com/tonymorris/course/blob/master/src/L03/Moonad.hs Tests