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Re: Could anyone explain why example no. 4 is different from the others?
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From: |
tomas |
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Subject: |
Re: Could anyone explain why example no. 4 is different from the others? |
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Date: |
Thu, 17 Aug 2023 06:32:01 +0200 |
On Thu, Aug 17, 2023 at 03:15:50AM +0000, Rodrigo Morales wrote:
> Could anyone explain why example no. 4 is different from the others?
> Example no. 1
>
> ,----
> | (append '(nil) '(nil) '(nil))
> `----
>
> ,----
> | (nil nil nil)
> `----
>
> Example no. 2
>
> ,----
> | (funcall 'append '(nil) '(nil) '(nil))
> `----
>
> ,----
> | (nil nil nil)
> `----
>
> Example no. 3
>
> ,----
> | (apply 'append '((nil) (nil) (nil)))
> `----
>
> ,----
> | (nil nil nil)
> `----
>
> Example no. 4
>
> ,----
> | (apply 'append '(nil) '(nil) '(nil))
> `----
>
> ,----
> | (nil nil)
> `----
Because your example number three is actually four nils. We
just can't see the fourth :)
Cheers
--
t
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