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amalloy/gist:76a82d8f736afcb9ccd8

Created March 2, 2016 22:39
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gistfile1.txt
(defmacro let-later [[name val] & body]
(let [delay-sym (gensym (str "delay-" name))]
`(let [~delay-sym (delay ~val)]
(let ~[name (with-meta `(force ~delay-sym)
(meta name))]
(do ~@body)))))
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