Re: [Haskell-beginners] Can you identify this recursion pattern please?

29 Sep 2009

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"Colin" == Colin Paul Adams  writes:
Colin> The database query childGalleries gives me a list of all
    Colin> the immediate children.  So what I want is recursively, the
    Colin> names of all the descendants, as well as the original name,
    Colin> concatenated to a flat list. I'm struggling to identify the
    Colin> higher-order recursion function I need.

I worked out that Data.Tree.unfoldM_BF was what I needed.

-- 
Colin Adams
Preston Lancashire