Remove *prev from PositionPQ

1 files changed, 2 insertions, 4 deletions

diff --git a/priority_queue.h b/priority_queue.h
index 13eea1a..c121487 100644
--- a/priority_queue.h
+++ b/priority_queue.h
@@ -3,13 +3,11 @@
 
 #include "structs.h"
 
-/* This is basically a sorted linked list
- * Not sure if we need *prev, to be fair 
- * UPDATE: we do need *prev. */
+/* This is basically a sorted linked list 
+ * Pro tip: if you always use the same priority, this becomes a regular queue */
 struct PositionPQNode_s {
     Position pos;
     size_t priority; /* Lower is "better" */
-    struct PositionPQNode_s *prev;
     struct PositionPQNode_s *next;
 };