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Chouser/what?.clj

Created May 20, 2010 19:32
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what?.clj
; &env disagrees with the compiler's treatment of :tag metadata?
(defmacro gettag [sym] (:tag (meta (key (find &env sym)))))
;=> #'com.sentryds.qdc.Explore/gettag
(let [#^Integer x 5, #^String x "foo"] (gettag x))
;=> java.lang.Integer
(let [#^Integer x 5, #^String x "foo"] (.toUpperCase x))
;=> "FOO"
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Chouser commented May 24, 2010

Can use .tag or .sym on the &env val instead.

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