Created
September 26, 2010 15:07
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| (defmacro do-when | |
| {:arglists '([test then & more])} | |
| [& clauses] | |
| (if-not (even? (count clauses)) | |
| (throw (IllegalArgumentException. "do-when requires an even number of clauses.")) | |
| (cons 'do (map (partial cons 'when) | |
| (partition 2 clauses))))) |
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