Clojure applying a map and keyword arguments destruction

Question

Consider a function with the following signature:

(defn make-widget [& {:keys [x y] :or {x 10 y 20}}]
 ...)

What is the best way to pass a

Answer 1

I can't think of a more elegant way, either, though it seems to me to that there should be one (like a map-specific variant of apply).

Using flatten has problems beyond not being very elegant, though. If the values of your map are collections, flatten will work recursively on those, too, so things could get totally mixed up. This alternative avoids that problem:

(apply make-widget (apply concat {:x 100}))