[Haskell-cafe] Haskell-Cafe Digest, Vol 93, Issue 58

[Gregory Guthrie]

Yes, agree. Thanks.

But still this adds a coupling that I did not need in the SML versions. 
And in this case, the analysis is word oriented, so the algorithm is intrinsically tied to a dictionary.

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Gregory Guthrie
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> -----Original Message-----
> From: Arlen Christian Mart Cuss [mailto:celtic at sairyx.org]
> Sent: Wednesday, June 08, 2011 10:50 PM
> To: Gregory Guthrie
> Cc: haskell-cafe at haskell.org
> Subject: Re: [Haskell-cafe] Haskell-Cafe Digest, Vol 93, Issue 58
> 
> > An option I suppose would be to read the dictionary at the top level,
> > and then pass it all the way down to the analysis routine that uses
> > it, but that exposes the details of how the analysis is done, and
> > couples the top and bottom levels of the previously modular functions.
> 
> It would seem to me that having the analysis routine do the I/O itself is more coupling than
> designing it to be datasource-agnostic!
> 
> I'd expect it to be much neater to thread the data through the various functions comprising
> the analysing functions, perhaps monadically, as a part of its design; and then to feed the
> data in at a single entry point. Thus the entire analysis is pure.