RE: Wishing well

Beleave me, ByValue.pmod is almost the most useful pmod I ever wrote.

The reason not convert to string is most likely the items are objects. and they come from another module out of our control.

Guo Xue Song


> Date: Tue, 18 Nov 2014 23:27:53 +1100
> Subject: Re: Wishing well
> From: [email protected]
> CC: [email protected]
> To: [email protected]
> 
> On Tue, Nov 18, 2014 at 11:24 PM, 郭雪松 <[email protected]> wrote:
> > Consider this:
> >
> > Howto create a array of multiset, every item of the array should be uniq.
> > using ByValue, I do it like this:
> >
> > array res=({});
> > multiset done=(<>);
> > for(int i=0;i<100;i++){
> >  for(int j=0;j<100;j++){
> >   int t=random(100);
> >   object ob=ByValue.Set(i,j,t);
> >   if(!done[ob])
> >    res+=({(<i,j,t>)});
> >  }
> > }
> 
> Hmm. Seems an unusual thing to do... although this is a contrived
> example, and they never look particularly impressive.
> 
> Are you able to represent the sets as strings? An array (or multiset)
> of strings is pretty efficient and easy to work with.
> 
> ChrisA
>