Am Dienstag, den 08.09.2009, 15:01 -0700 schrieb Richard Fateman:
> The main issue seems to me whether the function can take a list as
> argument ... for example,
>
> length([a,b,c,d]) should return 4.
>
> not
>
> [length(a),length(b),length(c),length(d)]
>
> which might be [1,1,1,1] or maybe an error.
>
>
> presumably we would not automatically map length to sublists ...
I do not see a problem, because only functions which are declared to
have the property 'maps-over-lists do this simplification. It is the
task of the developer to provide only useful functions.
Dieter Kaiser