6 commits

Author	SHA1	Message	Date
Alex Shinn	ef4372a2cd	fix for iset-prune! to return an empty iset instead of #f	2012-06-24 23:20:00 -07:00
Alex Shinn	c903a73921	adding ascii and full unicode char-set libraries based on isets	2012-06-17 19:36:17 +09:00
Alex Shinn	14a46feec9	adding iset optimization utility lib	2012-06-17 19:07:54 +09:00
Alex Shinn	c9e579f9f4	removing debug line	2012-06-13 00:24:54 +09:00
Alex Shinn	034601a02b	fixing iset cursors to do proper in-order traversal	2012-06-12 23:02:10 +09:00
Alex Shinn	638558ebe0	initial (iset) integer-set library based on chicken implementation	2012-06-07 01:36:08 +09:00