writing recursive lambda functions // Thank You

[Thorsten Rühl]

Am Wed, 24 Dec 2003 12:33:46 +0000 schrieb JCM:

>> def mapp(f):
>>     lambda l: l and cons(f(car(l)),(mapp(f)(cdr(l))))
> 
> You're missing a return here:
> 
> def mapp(f):
>     return lambda l: l and cons(f(car(l)),(mapp(f)(cdr(l))))
> 
> A common mistake if you're coming from lisp (I do it all the time).


Thanks to you both for you´re quick answer...
.. hehe obviosly an beginners mistake ;) 

Thank you for yur help !!!! :))))

CU

Thorsten