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mknoszlig/typehint.clj Secret

Last active December 13, 2015 21:48
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typehint.clj
user> (defn fun [^java.io.File f] f)
#'user/fun
user> (defn fun [^File f] f)
CompilerException java.lang.IllegalArgumentException: Unable to resolve classname: File, compiling:(NO_SOURCE_PATH:1:1)
user> (import 'java.io.File)
java.io.File
user> (defn fun [^File f] f)
#'user/fun
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