From: Robert Feldt <feldt@...>
Date: 2001-11-14T02:44:20+09:00
Subject: [ruby-talk:25046] Re: Set class in Ruby

On Wed, 14 Nov 2001, Jason Voegele wrote:

> >> However, sometimes it's convenient to have Sets, collections where
> >> there's only ever one of each element. These have different semantics
> >> to arrays: they are not necessarily ordered, attempting to add an
> >> element doesn't necessarily increase the size, and so on.
> > 
> > So, why doesn't Ruby have Set as a built-in class?
> 
> Paul Brannan and I are working on implementing a library of data structures 
> and algorithms for Ruby to fill this gap.  It is not yet available, but I 
> have a Set class that you can get at:
> 
Could you be specific as to what DS and Algs you're working on. I know
some other stuff in this area and it would be a shame with too much
overlap.

Horst Duchene is working on a pretty extensive Graph package for example.

Regards,

Robert