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at February 7, 2011 14:59 by yairiny
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(defn seq-counter "calls callback after every n'th entry in sequence is evaluated. Optionally takes another callback to call once the seq is fully evaluated." ([sequence n callback] (map #(do (if (= (rem %1 n) 0) (callback)) %2) (iterate inc 1) sequence)) ([sequence n callback finished-callback] (drop-last (lazy-cat (seq-counter sequence n callback) (lazy-seq (cons (finished-callback) ()))))))
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Clojure progress reporting on sequence
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Clojure