From: Christian Neukirchen <chneukirchen@...>
Date: 2005-12-17T08:28:41+09:00
Subject: Re: LISP to Ruby translation

Edward Faulkner <ef@alum.mit.edu> writes:

> On Fri, Dec 16, 2005 at 07:22:39AM +0900, Mark J.Reed wrote:
>> Douglas Livingstone wrote:
>> > Just a quick one, how do you translate this:
>> > 
>> > ((if (zero? 0) + -) 3 4)
>> 
>> What dialect of LISP is that?  Not Common... CL has no "zero?"
>
> It's Scheme.  A much nicer dialect than CL, IMHO.  ;-)
>
> I think in CL the equivalent would be:
>
> ((if (zerop 0) #'+ #'-) 3 4)

No, you need:

  (apply (if (zerop 0) #'+ #'-) '(3 4))

> Note the ugly sharp-quotes, due to the fact that CL has separate
> namespaces for values and functions.

And that is why. :-)

> regards,
> Ed
-- 
Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org