[Haskell-cafe] An APL library for Haskell

[Daniel Peebles]

Interesting idea. It seems like building this on top of REPA would save a
lot of work, since it has a native notion of "rank" encoded in the type
system. I'd then see the APL-like combinators as a "niche" API for REPA,
rather than as a library of their own. And of course, you'd get
parallelization for free, more or less. I think some of the combinators on
that wiki page already have counterparts in the REPA API.




On Thu, Mar 8, 2012 at 8:44 AM, Simon Peyton-Jones <simonpj at microsoft.com>wrote:

>  Friends****
>
> ** **
>
> Many of you will know the array language APL<http://en.wikipedia.org/wiki/APL_%28programming_language%29>.
> It focuses on arrays and in particular has a rich, carefully-thought-out
> array algebra. ****
>
> ** **
>
> An obvious idea is: *what would a Haskell library that embodies APL’s
> array algebra look like*?  In conversation with John Scholes and some of
> his colleagues in the APL community a group of us developed some ideas for
> a possible API, which you can find on the Haskell wiki here:
> http://www.haskell.org/haskellwiki/APL****
>
> ** **
>
> However, we have all gone our separate ways, and I think it’s entirely
> possible that that the idea will go no further.  So this message is to ask:
> ****
>
> **·         **Is anyone interested in an APL-style array library in
> Haskell?****
>
> **·         **If so, would you like to lead the process of developing the
> API?****
>
> ** **
>
> I think there are quite a few people who would be willing to contribute,
> including some core gurus from the APL community: John Scholes,  Arthur
> Whitney, and Roger Hui.   ****
>
> ** **
>
> Simon****
>
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