Macro
Define a macro that expands into forms after replacing the symbols in params (a vector) by the corresponding parameters given in the macro call.
; clojure/contrib/macro_utils.clj:214 (defmacro deftemplate [name params & forms] (let [param-map (for [p params] (list (list 'quote p) (gensym))) template-params (vec (map second param-map)) param-map (vec (apply concat param-map)) expansion (list 'list (list 'quote `symbol-macrolet) param-map (list 'quote (cons 'do forms)))] `(defmacro ~name ~template-params ~expansion)))
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