[Haskell-cafe] Category Theory woes

Nick Rudnick joerg.rudnick at t-online.de
Thu Feb 18 20:20:28 EST 2010

Hi Alexander,

please be more specific -- what is your proposal?

Seems as if you had more to say...


Alexander Solla wrote:
> On Feb 18, 2010, at 4:49 PM, Nick Rudnick wrote:
>> Why does the opposite work well for computing science?
> Does it?  I remember a peer trying to convince me to use "the factory 
> pattern" in a language that supports functors.  I told him I would do 
> my task my way, and he could change it later if he wanted.  He told me 
> an hour later he tried a trivial implementation, and found that the 
> source was twice as long as my REAL implementation, split across 
> multiple files in an unattractive way, all while losing conceptual 
> clarity.  He immediately switched to using functors too.  He didn't 
> even know he wanted a functor, because the name "factory" clouded his 
> interpretation.
> Software development is full of people inventing creative new ways to 
> use the wrong tool for the job.

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