[Haskell-beginners] Using a monadic operation in a list comprehension.

Kim-Ee Yeoh ky3 at atamo.com
Sun Sep 21 18:38:36 UTC 2014

On Sun, Sep 21, 2014 at 9:02 PM, Derek McLoughlin <
derek.mcloughlin at gmail.com> wrote:

> I'm trying to get Graham Hutton's "Programming with Effects" article
> (http://www.cs.nott.ac.uk/~gmh/monads) working with Data.Tree instead
> of the Tree he provides.

Hi Derek,

This is a lovely problem that's inspired a bunch of interesting papers

Here's a stab at the compilation error you're facing:


Enjoy  :)

-- Kim-Ee
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