Hi, to get compiled clj-contrib with the lastest version of clojure i
had to rewrite partition-by and replace lazy-cons with lazy-seq. I
think its wrong but it works!
umbly i wait yours corrections
(defn partition-by
"Applies f to each value in coll, splitting it each time f returns
a new value. Returns a lazy seq of lazy seqs."
[f coll]
(when-let [s (seq coll)]
(let [fv (f (first s))
ends (drop-while #(= fv (f %)) (next s))
tw (fn this [s]
(when (and (not= s ends) (seq s))
(lazy-seq (cons (first s) (this (next s))))))]
(lazy-seq (cons (tw s) (partition-by f ends))))))
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