`partition'

[Johannes Waldmann]

> the function  let  ns = [1 .. 10^6] :: [Int]
>                    p  = partition even ns
>               in
>               take 2 $ fst p
> 
> computes too long in                 ghc-6.2.2-September-26
> and needs several megabyte of stack.

this has been noticed a few times, for example
http://www.mail-archive.com/haskell@haskell.org/msg07508.html

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