I've done my best to get a good enough grasp of how macros and syntax-
quotes work in Clojure. While waiting for some more detailed
documentation (thanks Meikel), I thought I'd work on something
practical. Here's my attempt at writing a version of WITH-GENSYMS for
Clojure, taken directly from Peter Seibel's Practical Common Lisp:
(defmacro with-gensyms [[& names] form]
`(let ~(apply vector (loop [n names result []]
(if (nil? n)
result
(recur (rest n)
(conj result (first n) `(gensym))))))
~form))
Tried it out with macroexpand and it seems to work fine. Let me know
what you all think. Perhaps something like with-gensyms could be
included directly in the core lanuage. I've always thought that it
should have been included in Common Lisp, given that it is employed so
frequently.
Rock
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