You can get keyword args like this:
(defn f [& {:keys [a b c d]
:or {a 1 b 2 c 3 d 4}}]
[a b c d])
But you cannot also get the ability to call:
(f 5 6 7 8)
On Sun, Jul 20, 2014 at 4:13 PM, Sam Raker <[email protected]> wrote:
> I'm trying to write a function that takes (up to) 4 arguments. I want to
> be able to supply every argument positionally, with a keyword or as a
> default, so that
>
> (f)
> (f 1)
> (f 1 2)
> (f 1 2 3)
> (f 1 2 3 4)
> (f 1 :b 2)
> (f 1 2 :c 3)
> ...
> (f :a 1 :b 2 :c 3 :d 4)
>
> are all equivalent. In Python, I could do this by
>
> def f(a=1,b=2,c=3,d=4):...
>
> but I'm not sure how to do it in Clojure.
>
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