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slagyr/gist:1164267

Forked from pitluga/gist:1164228
Created August 23, 2011 03:22
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simple validation
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gistfile1.clj
(defn validate [params-hash]
(let [keys [:model :pk]
missing-keys (filter #(nil? (params-hash %)) keys)]
(apply hash-map (interleave missing-keys (repeat "is required")))))
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