On Tue, Nov 08, 2022 at 04:52:38PM +0100, Michael Heerdegen wrote:
> Emanuel Berg <incal@dataswamp.org> writes:
> 
> > > In my objective point of view the canonical person for the
> > > task is...Emanuel Berg! (not kidding)
> >
> > Okay, I'll get right to it!
> 
> Good.  You may add
> 
> (d) What's the return value of evaluating the expression
> 
>   (funcall
>    (lambda (x) (funcall x x))
>    (lambda (x) (funcall x x)))

Now would that be more fun if Elisp did tail call optimization?

Let me try in Guile:

  scheme@(guile-user)> ((lambda (x) (x x)) (lambda (x) (x x)))

Yes, it is :)

Cheers
-- 
t