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by dericbytes
Fri Dec 07, 2012 11:53 am
Forum: Emacs Lisp
Topic: differentiate cons & list
Replies: 1
Views: 16300

differentiate cons & list

I want to know when an item is a cons and when it is a list

Code: Select all

(consp (cons 1 1))
> t

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(listp (cons 1 1))
>t

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(consp (list 1 1))
>t

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(listp (list 1 1))
>t

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(nth 1 (cons 1 1))
> error not a list