What would you expect the return value of (dissoc ['a 'b 'c] 1) to be?

On Sat, Nov 2, 2013 at 11:03 AM, <vrak...@gmail.com> wrote:

> I realize `dissoc` isn't implemented to work on vectors for technical
> reasons (such as explained on 1/13/11 here
> https://groups.google.com/forum/#!msg/clojure/Lx9ysZ4ndfw/E52rVTvclMoJ ).
>
> "It'd be nice" if it did as I still get surprised by this on occasion, it
> feels like an inconsistency when using Clojure such that I'd imagine it's a
> general point of frustration for others as well.
>
>
> (assoc [1 2 3] 1 'a)
> ;=> [1 a 3]
>
> (dissoc ['a 'b 'c] 1)
> ;=> ClassCastException clojure.lang.PersistentVector cannot be cast to
> clojure.lang.IPersistentMap  clojure.lang.RT.dissoc (RT.java:759)
>
>
> (assoc-in [['a 'b] ['c 'd]] [1 1] 'x)
> ;=> [[a b] [c x]]
>
> (clojure.core.incubator/dissoc-in [['a 'b] ['c 'd]] [1 1])
> ;=> ClassCastException clojure.lang.PersistentVector cannot be cast to
> clojure.lang.IPersistentMap  clojure.lang.RT.dissoc (RT.java:759)
>
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