The Clojure collections are immutable, which is their entire reason for
existing. However, there is nothing stopping you from creating a plain old
Java collection in Clojure.
(let [list (ArrayList. '("Fred" "mary" "sue")]
(do
(java.util.Collections/sort list)
list))
Should work.
On Fri, Feb 20, 2009 at 1:59 PM, Steffen Glückselig <[email protected]>wrote:
>
> I was trying to use Clojure to verify the behavior some method in
> Java.
>
> Namely I wanted to quickly check whether Collections.sort does the
> sorting I need.
>
> So I came up with:
>
> (let [list '("1" "KB" "K6" "2" "EÜ" "EZ" "ES")]
> (do
> (java.util.Collections/sort list)
> list))
>
> But since Collections/sort mutates the list in place I cannot get a
> result.
>
> Is there a way in Clojure to get at the result of operations like
> these?
>
>
>
> Steffen
>
> >
>
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