Re: Sets and Lists, again

"dawn" <dawnwolthuis_at_gmail.com> wrote in message news:1148132310.308203.133240_at_g10g2000cwb.googlegroups.com...
> David Cressey wrote:
> > What's a ripple delete? How is it different from an ordinary delete?
>
>
http://www.tincat-group.com/mewsings/2006/01/who-ordered-ripple-delete.html
>

Can you summarize this?

> > If you have sets, why would you have to "insert at this point"?

[no reply]

Again, what does "insert at this point" buy you that insertion into a set doesn't buy you?

> > Why do you need lists for this purpose?
>
> ? Why do you need lists for the purpose of having list operators? Can
> you rephrase?

Sure:

 What can you do with lists and list operators that you can't do with sets and set operators? Received on Sat May 20 2006 - 16:42:44 CEST