Re: Definition of mapcar

Paul Dietz <[email protected]>
Newsgroups gmane.lisp.allegro
Organization GSG Software Design Automation
Message-ID <[email protected]>
feilong wrote:
> 
> Hallo,
> Ich have tried to write the definition of  mapcar, but  I  don't
>  succeed,  because  funktion  mapcar  can  take  any  numbers of
>  arguments and the recursion procedure is very comlicated. For  example :
>  >(mapcar #'+ '(1 2 3))
>  >6
>  >(mapcar #'+  '(1 2 3)  '(24 3)  '(89 43))
>  >(114 48)


(mapcar #'+ '(1 2 3)) ==> (1 2 3), not 6

See the CL Hyperspec for a thorough definition of mapcar.
http://www.franz.com/support/documentation/6.2/ansicl/dictentr/mapcmapc.htm

	Paul
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.