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noisesmith/gist:d0ee8172e1e24f574ffa760c4dc30be2

Created March 27, 2017 20:45
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a macro to make varargs interop more readable
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gistfile1.txt
=> (defmacro vararg
[method object & args]
(let [[regular [_ t & variable]] (split-with #(not= % '|) args)]
`(. ~object ~method ~@regular (into-array ~t ~(vec variable)))))
#'user/vararg
=> (macroexpand-1 '(vararg get java.nio.file.Paths "foo" | String "bar" "baz"))
(. java.nio.file.Paths get "foo" (clojure.core/into-array String ["bar" "baz"]))
=> (vararg get java.nio.file.Paths "foo" | String "bar" "baz")
#object[sun.nio.fs.UnixPath 0x14ebb640 "foo/bar/baz"]
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