[Haskell-cafe] Re: [Haskell] ANN: The Typeclassopedia, and request for feedback

[Isaac Dupree]

Natural numbers under min don't form a monoid, only naturals under max do (so 
you can have a zero element)

Brent Yorgey wrote:
> Hi all,
>
> If you've noticed the lack of a HWN this week, that's because I've
> been doggedly finishing my article entitled 'The Typeclassopedia',
> which I have just submitted for publication in the Monad.Reader.
> Here's the abstract:
>
>     The standard Haskell libraries feature a number of type classes
>     with algebraic or categorical underpinnings. Becoming a fluent
>     Haskell hacker requires intimate familiarity with them all, yet
>     acquiring this familiarity often involves combing through a
>     mountain of tutorials, blog posts, mailing list archives, and IRC
>     logs.
>
>     The goal of this article is to serve as a starting point for the
>     student of Haskell wishing to gain a firm grasp of its standard
>     type classes. The essentials of each type class are introduced,
>     with examples, commentary, and extensive references for further
>     reading.
>
> My hope is that this will be a valuable resource to the Haskell
> community, especially those who are learning.  Any feedback would be
> greatly appreciated, especially if it helps improve the article before
> publication.  A draft can be found here:
>
>    
> http://www.cis.upenn.edu/~byorgey/papers/typeclassopedia-draft-090216.pdf
>
> Also see my blog post for a bit more info:
>
>    
> http://byorgey.wordpress.com/2009/02/16/the-typeclassopedia-request-for-fee
>dback/
>
> happy haskelling!
> -Brent
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