Jason, thanks a lot for the tip on "source" macro in
clojure.contrib.repl-utils, it is indeed very nifty!
Resolution for the day: get to know the contrib library!
On Feb 2, 9:48 pm, Jason Wolfe <jawo...@berkeley.edu> wrote:
> I believe that any non-special-form has a clojure implementation in
> some .clj file, although that implementation may simply be a wrapper
> for a method in clojure.lang.RT.
>
> Also check out the source macro in clojure.contrib.repl_utils. It's
> quite nifty:
>
> user> (source into)
> (defn into
> "Returns a new coll consisting of to-coll with all of the items of
> from-coll conjoined."
> [to from]
> (let [ret to items (seq from)]
> (if items
> (recur (conj ret (first items)) (rest items))
> ret)))
> nil
>
> Or, if you're just interested in where a fn or macro is defined,
> user> (meta (var into))
> {:ns #<Namespace clojure.core>, :name into, :file "core.clj", :line
> 1771, :arglists ([to from]), :doc "Returns a new coll consisting of to-
> coll with all of the items of\n from-coll conjoined."}
> user> ^#'into
> ; same thing, just more terse
>
> Cheers,
> Jason
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