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timmc/gist:853113

Created March 3, 2011 17:09
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gistfile1.clj
(defn replace-1
"Replace the first x in coll such that (pred x) is true with (gen x).
Not tail-recursive."
[coll pred gen]
(if (seq coll)
(if (pred (first coll))
(conj (rest coll)
(gen (first coll)))
(conj (replace-1 (rest coll) pred gen)
(first coll)))
coll))
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