Re: Add hints to documentation of car and cdr for (e)lisp newcomers - take 2

[Lars Ingebrigtsen]

Stefan Kangas <stefan@marxist.se> writes:

> The R6RS does it with examples:
>
> (car pair)    procedure
>
> Returns the contents of the car field of pair.
>
> (car ’(a b c))                  ⇒  a
> (car ’((a) b c d))              ⇒  (a)
> (car ’(1 . 2))                  ⇒  1
> (car ’())                 &assertion exception

Yeah, perhaps that'd be nice?  Something like:

(car '(a b c)) => a
(car '(1 . 2)) => 1
(car nil)      => nil                 
Also see `cdr'.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no