[Haskell-beginners] trying to install libraries for Haskell School of Expression

Julian Birch julian.birch at gmail.com
Mon Mar 2 12:10:20 UTC 2015


Just a small note: if you're suffering from cabal hell, LTS Haskell may
help you. I described how to use it here:

http://www.colourcoding.net/blog/archive/2015/02/22/hello-world-web-application-in-haskell.aspx

Hope someone finds it useful.

J

On Monday, March 2, 2015, emacstheviking <sean at objitsu.com> wrote:

> Agreed. I will "finish" with a mild semi-demi-rant too regarding the
> assumption by a lot of posters that we are all academics with access to
> papers on this and that. I am not and I don't. If you cite a paper, make
> sure it's available to Joe Public please!
>
> As for only sticking to plain vanialla simple Haskell, yes, that works BUT
> there are some many great libraries that a real time savers...it's such a
> shame when they won't play well together!
>
> So, despite it all, tonight I will be hacking Haskell !
>
> :)
>
>
> On 1 March 2015 at 19:27, DJ <jakep at arqux.com
> <javascript:_e(%7B%7D,'cvml','jakep at arqux.com');>> wrote:
>
>>  Yeah. I think there are a lot of us out there. I won't rant (much) here,
>> because I hope to get some help from time to time. Alienating people is not
>> a good way to get help.
>>
>> But:
>>
>> There are many things I like about the language, but I have always been
>> perplexed by the haskell ecosystem in a couple of ways. However good and/or
>> interesting a language might be, it is not possible to do meat and potatoes
>> development unless there is a good supply of packages/libraries.
>>
>> My first problem was that I often just could not get stuff to install.
>> The second problem was documentation. I hope it has improved a bit. I was
>> always flabbergasted at the (apparent) belief that a few lines of API
>> documentation coughed out by haddock are enough. But that's all there was
>> in a lot of cases. That, and "refer to xxxx research paper" and "figure it
>> out from the types". Hah. Any math paper that consisted of just the
>> equations sorted in alphabetical order would not be well received, I think.
>>
>> I really admired that fact that Michael Snoyman wrote a book about Yesod.
>> For all I know he may not have kept the book up, but at least he realized
>> that people needed an explanation of how to use his software.
>>
>> Well, back to work. I am going to give haskell another try for sure. It's
>> just too tempting to give up on. If it doesn't work, the next stop will be
>> sml or ocaml.
>>
>> Best,
>>
>> - DJ -
>>
>>
>> On 15-03-01 09:56 AM, emacstheviking wrote:
>>
>>   I feel your pain...
>>
>>
>>> Confession: I abandoned Haskell two years ago because of frustration
>>> with cabal and hackage. I decided to get back to the language today, and to
>>> start with Haskell School of Expression. I immediately run into the problem
>>> that the first thing I try to install with cabal does not work.
>>>
>>>  It is the same reason I have stopped using it. It's a real shame.
>> Those with better education and understanding than mine should be concerned
>> that the uptake of the language is stunted by its package manager.
>>
>>  I love Haskell. I have taught myself (the beginnings at least) of group
>> theory just to better comprehend the mindset of monads. For that alone I am
>> glad I learned Haskell as it has rekindled my interest in maths!
>>
>>
>>
>>> Thanks for any help. Please tell me things are not just as bad now as
>>> they were when I left ;-)
>>>
>>>  This mail seems to indicate to me that "cabal hell" is here for some
>> time to come...
>>
>>
>>
>>
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>>
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>

-- 
Sent from an iPhone, please excuse brevity and typos.
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