[Haskell-beginners] Heterogeneous Lists

harry voldermort at hotmail.com
Tue May 28 16:47:20 CEST 2013

Mateusz Kowalczyk <fuuzetsu <at> fuuzetsu.co.uk> writes:

> Yes, it is in fact busy work and yes, it could probably be done for
> you by the compiler. I imagine the reason it isn't is simply because
> forcing heterogeneous collections where only homogeneous ones were
> intended is usually a sign of the fact that you are doing it wrong and
> usually there's a better solution. Putting in direct support for it in
> the compiler would just make the compiler more complex and effectively
> encourage bad programming. It's just not something that comes up often
> enough to warrant a compiler extension.

Several people have implied that wanting to do this suggests that I'm doing
something wrong. I can't find the code where I did this, but is there a
general anti-pattern here?

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