From: gmcm at hypernet.com (Gordon McMillan)
Date: Sat, 24 Apr 1999 03:26:49 GMT
Subject: Efficient List Subtraction
In-Reply-To: <Qw6U2.5309$Bm3.343696@news20.ispnews.com>
References: <Qw6U2.5309$Bm3.343696@news20.ispnews.com>
Message-ID: <1287197880-43229653@hypernet.com>
X-UID: 1705                                                  

Jonothan Farr wrote:

> I have also longed for built in support for the union and
> intersection of two sequences.
> 
> Perhaps:
> list.union(list2)
> and
> list.intersection(list2)

While not exactly what you're looking for, I suggest going to 
chordate.com and looking for kjbuckets. It's got sets and graphs; you 
can do intersections and closures...

- Gordon




