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mmcgrana/bug.clj

Created February 27, 2010 20:55
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bug.clj
; orignal code
(def putinme (ref {}))
(for [itrId #{"A1HHSCH9YA57GL" "A13706T7S3HLRQ" "A2QNYO5VK24YE4"} ]
(dosync ( ref-set putinme ( assoc @putinme itrId {:val 1} )))
)
@putinme
; for is lazy, body here is never executed; consider doseq
; use alter to make more concise
; you may want atoms instead of refs
; suggested code (for refs)
(def putinme (ref {}))
(doseq [itr-id #{"A1HHSCH9YA57GL" "A13706T7S3HLRQ" "A2QNYO5VK24YE4"}]
(dosync (alter putinme assoc itr-id {:val 1})))
@putinme
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