On Jun 4, 2010, at 11:15 , Joost wrote:
> On Jun 4, 7:37 am, "Heinz N. Gies" <[email protected]> wrote:
>> Update-in behaves oddly when getting an empty path. (update-in [] {1 2}
>> (constantly {2 3})) returns {nil {2 3} 1 2} not {2 3} as I'd expect. get-in
>> works well with empty pathes so I think this isn't a good behavior.
>
> I don't know why you expect that to do anything - first of all, the
> second argument to update-in should be a seq of keys. In any case, it
> throws
>
> nth not supported on this type: PersistentArrayMap
> [Thrown class java.lang.UnsupportedOperationException]
Sorry I mixed arguments, it should be (update-in {1 2} [] (constantly {2 3}))
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