On 21 February 2011 07:17, Damien <[email protected]> wrote:
> Not sure if I should talk about flattening but basically I'm trying to
> achieve the following transformation:
>
> user=>(flatten-tree {1 {2 {3 4 5 6} 7 {8 9}}})
> ((1 2 3 4) (1 2 5 6) (1 7 8 9))
>
> Any suggestion?
(defn flatten-tree [t]
(if (map? t)
(for [[k v] t, w (flatten-tree v)]
(cons k w))
(list (list t))))
In this case, I think using protocols would be over-engineering. We
can always add protocols in later if we happen to need them. That's
one of the benefits of protocols as compared to Java's interfaces.
- James
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