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

[Henning Thielemann]

Achim Schneider schrieb:
> Henning Thielemann <schlepptop at henning-thielemann.de> wrote:
>>
>> 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 (+) ?

In the old hawiki there was an article about that particular example ...