factor

Author	SHA1	Message	Date
John Benediktsson	4da798920e	Revert "graphs: change closure to use a set and operate on sequences." This reverts commit `2cc201a38a`.	2013-03-08 18:08:09 -08:00
John Benediktsson	67e3cfae22	graphs: change closure to use a set and operate on sequences.	2013-03-08 17:53:31 -08:00
Slava Pestov	c8d4846a03	Fix some compiled-usage issues	2008-01-12 04:25:16 -05:00
Slava Pestov	a96457cecc	Initial import	2007-09-20 18:09:08 -04:00