[r6rs-discuss] Re: r6rs-discuss Digest, Vol 2, Issue 8

[Eli Barzilay]

On Oct  3, Jason Orendorff wrote:
> 
> Eli Barzilay wrote:
> > Some Lisp implementations will do something similar when receiving
> > a `:key' argument.
> 
> This feature is actually in Common Lisp.  I agree it's useful.
> 
> http://www.lisp.org/HyperSpec/Body/fun_sortcm_stable-sort.html

It doesn't have it as a standard feature:

  There is no guarantee on the number of times the key will be called. 

-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                  http://www.barzilay.org/                 Maze is Life!