So, page 143 of Clojure Programming has an implementation of Conway's Life:
(defn step
"Yields the next state of the world"
[cells]
(set (for [[loc n] (frequencies (mapcat neighbours cells))
:when (or (= n 3) (and (= n 2) (cells loc)))]
loc)))
The book claims this to be "an elegant implementation'.
Now it's been a long while since I wrote code to put food on the table -
but back then if I saw C or C++ code written like this I would describe it
as obfuscated - the sort of thing I would expect to see in the (now
defunct?) annual obfuscated C competition. It's concise and rather clever,
certainly, but hardly self-documenting: it's not very clear what it's doing
at all- with a couple of magic numbers thrown in for good measure. Rather
arcane in fact.
Is it just me? Is this considered to be good Clojure code and I'm just
hopelessly out of touch and need to get with the programme?
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