[Haskell-cafe] Re: Sillyness in the standard libs.

Andrew Coppin andrewcoppin at btinternet.com
Tue Nov 20 15:11:01 EST 2007

Aaron Denney wrote:
> On 2007-11-19, Andrew Coppin <andrewcoppin at btinternet.com> wrote:
>> As I understand it, it's widely recognised that Haskell's current
>> numeric class hierachy is broken (or at best, not very well chosen), but 
>> nobody came up with a better suggestion yet.
> Oh, there are /lots/ of suggestions.  Perhaps too many.  But this is
> one area that could really be improved by the use of ATs or MPTCs with
> fundeps, and that's stalled some of the concrete proposals, as what
> exactly is happening for Haskell' isn't too clear.

Er, yes... what *he* said.

(I understand there are a couple of similar proposals that have gone 
nowhere because it's not clear what the best design choice is. E.g., 
there ought to be some generalisation of the words and lines functions, 
but there isn't, because nobody can decide on the best generalisation to 

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