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kindlychung/let.clj Secret

Created May 12, 2015 12:47
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let.clj
(defmacro aupdate-in [a i f & args]
`(do
(aset ~a ~i (~f (aget ~a ~i) ~@args))
a))
(let [a (long-array [1 2 3 4])]
(pprint (vec (aupdate-in a 2 * 3))))
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CompilerException java.lang.RuntimeException: No such var: cina.fn-browser/a, compiling:(/Users/kaiyin/personal_config_bin_files/workspace/cina/src/cina/fn_browser.clj:20:16)

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