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michalmarczyk/locals_loops.clj

Created January 17, 2017 00:13
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Clojure local shadowing, loop semantics
Raw
locals_loops.clj
;;; See the comment threads here:
;;; http://stackoverflow.com/questions/41677617/are-all-variables-in-clojure-constant
(loop [x 1
f (fn [] x)]
(if (== 1 x)
(recur 0 f)
(f)))
;= 1
(loop [x 10
fs []]
(if (pos? x)
(recur (dec x)
(conj fs (fn [] x)))
(mapv #(%) fs)))
;= [10 9 8 7 6 5 4 3 2 1]
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