[Haskell-beginners] Cannot find cause of space leak

[Kim-Ee Yeoh]

On Sat, Jan 31, 2015 at 10:39 PM, YCH <dontdieych at gmail.com> wrote:

>         ys' = groupByN ys n
>             where
>                 groupByN [] _ = []
>                 groupByN zs m = take m zs : groupByN (drop m zs) m
>

This groupByN doesn't look like it'll terminate for negative n. So ys'
becomes an infinite list. Which causes divergence downstream.

-- Kim-Ee
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