[Haskell-cafe] Stream fusion for Hackage

Don Stewart dons at galois.com
Mon Nov 19 15:03:23 EST 2007

> | > Will it eventually replace Data.List in GHC?
> |
> | That is the plan, yep.
> But first we need to solve the concatMap problem, no?
> So far as I know, fold/build has the property that if fusion doesn't happen, no harm is done. But streams risk making the program *worse* if Good Things do not happen to happen.  This makes me anxious.
> Simon

Yep, me too. We'll be using it in ByteString and other strict arrays
first, where the issues are much simpler, then looking at what can be
done with lists. 

-- Don

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