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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