Am Donnerstag, den 11.06.2009, 18:36 -0400 schrieb Raymond Toy:
> Dieter Kaiser wrote:
> > I would like to suggest to improve the Maxima user function apropos.
> > This is the last result of some work to get a working function apropos:
> >
> > ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
> >
> > ;;; Utility function to filter a list LST with a function FN
> > ;;; e.g. (filter #'(lambda(x) (if (oddp x) x)) '(1 2 3 4 5 6 7)) --> (1
> > 3 5 7)
> >
> I think this is called remove-if-not. :-)
Hello Ray,
yes, of course it is remove-if-not. You see, I have not many years of
experience.
The Common Lisp Hyper Spec says that this function is deprecated. Do you
know the best alternative construct?
Dieter Kaiser