you can also use map destructuring.
(defn x [{:keys [a b c]}]
[a b c])
user=> (x {:a 1 :b 2 :c 3})
[1 2 3]
On Fri, Feb 6, 2009 at 7:52 AM, Jeffrey Straszheim
<[email protected]> wrote:
> That is remarkably simple and elegant.
>
> On Fri, Feb 6, 2009 at 10:20 AM, Stuart Sierra <[email protected]>
> wrote:
>>
>> On Feb 6, 10:06 am, David Nolen <[email protected]> wrote:
>> > Is there anything in core or contrib for parsing arguments to a
>> > function? Since Clojure fns don't support optional args or even keyword
>> > args, is there a standard set of helpers functions to do this? I looked
>> > around but I didn't see anything obvious.
>>
>> No, but there is a pattern for keyword args:
>>
>> (defn my-function [& args]
>> (let [options (apply hash-map args)]
>> ...))
>>
>> Then you can call (my-function :keyword value :keyword2 value).
>>
>> -Stuart Sierra
>>
>
>
> >
>
--
And what is good, Phaedrus,
And what is not good—
Need we ask anyone to tell us these things?
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