Came across the following in one of the clojure libs (congomongo to be
exact)
https://github.com/aboekhoff/congomongo/blob/master/src/somnium/congomongo.clj:464
(defn command
"Executes a database command."
{:arglists '([cmd {:options nil :from :clojure :to :clojure}])}
[cmd & {:keys [options from to]
:or {options nil from :clojure to :clojure}}]
(let [db (get-db *mongo-config*)
coerced (coerce cmd [from :mongo])]
(coerce (if options
(.command db ^DBObject coerced (int options))
(.command db ^DBObject coerced))
[:mongo to])))
My question is why do we have BOTH :arglists metadata and usual fn
args destructuring?
{:arglists '([cmd {:options nil :from :clojure :to :clojure}])}
[cmd & {:keys [options from to]
:or {options nil from :clojure to :clojure}}]
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