major refactor

2018-05-15 22:47:36 -06:00
parent 8f1d721477
commit 06d896277c
22 changed files with 587 additions and 1276 deletions
--- a/src/prolog/lib/queues.pl
+++ b/src/prolog/lib/queues.pl
@@ -1,3 +1,5 @@
+:- use_module(library(builtins)).
+
 :- module(queues, [queue/1, queue/2, queue_head/3, queue_head_list/3,
 		   queue_last/3, queue_last_list/3, list_queue/2,
 		   queue_length/2]).