1 files changed, 1 insertions, 0 deletions
diff --git a/queue/pq.go b/queue/pq.go
index ecf54c8..5f2079a 100644
--- a/queue/pq.go
+++ b/queue/pq.go
@@ -6,4 +6,5 @@ type PQ interface {
 	DeleteMax() int
 	Empty() bool
 	Size() int
+	Clear()
 }