4 Commits

Author	SHA1	Message	Date
Oliver Payne	c1988959e3	Complete exercise 3.18	2022-05-03 22:18:22 +01:00
Oliver Payne	275fb36bd7	Replace custom adjoin with cons ... Duplicates in the seen list don't matter	2022-05-03 18:58:21 +01:00
Oliver Payne	8cbd5f4788	Replace seen? with built-in memq	2022-05-03 18:55:12 +01:00
Oliver Payne	dd65a0e316	Complete 3.16 and 3.17	2022-04-29 23:09:15 +01:00