[Haskell-cafe] Re: Problems with strictness analysis?

Henning Thielemann wrote:

Achim Schneider schrieb:

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Henning Thielemann wrote:

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There was http://www.haskell.org/haskellwiki/Things_to_avoid

which has been renamed to the more friendly "Haskell programming tips"

I was rather thinking of a list of performance pitfalls and laziness tarpits, starting with the all-famous

avg xs = sum xs + length xs

(/) instead of (+) ?

Only for sufficient correct definitions of avg. -- (c) this sig last receiving data processing entity. Inspect headers for copyright history. All rights reserved. Copying, hiring, renting, performance and/or quoting of this signature prohibited.