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tomjack/scratch.clj Secret

Created May 8, 2010 00:36
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scratch.clj
(defn partition-by*
[f coll]
(lazy-seq
(when-let [s (seq coll)]
(let [fst (first s)
fv (f fst)
[run remaining] (split-with #(= fv (f %)) (rest s))]
(cons (cons fst run) (partition-by f remaining))))))
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