Hi,
On Jul 19, 8:56 am, boyan <bo...@taobao.com> wrote:
> I have a question about apply function.
> For examle,create a hash map:
>
> user=> (hash-map :a 1 :b 2)
> {:a 1, :b 2}
>
> It works fine,but if i want to use apply:
>
> user=> (apply hash-map :a 1 :b 2)
> java.lang.IllegalArgumentException: Don't know how to create ISeq from:
> java.lang.Integer (NO_SOURCE_FILE:0)
>
> Why it throw this exception?Is apply could not work with keyword? Any
> solution?
The last argument to apply has to be a sequence (or a thing you can
call seq on).
(apply hash-map :a 1 [:b 2]) or (apply hash-map :a 1 :b 2 nil)
Sincerely
Meikel
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