From 92777666a94985232dd645e3333bc5a605af3cfa Mon Sep 17 00:00:00 2001
From: Steve Dudenhoeffer <sdudenhoeffer@gmail.com>
Date: Fri, 23 Sep 2022 22:03:13 -0400
Subject: [PATCH] changed peek to include an offset

---
 priorityqueue.go | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/priorityqueue.go b/priorityqueue.go
index a2330a8..bfc28ec 100644
--- a/priorityqueue.go
+++ b/priorityqueue.go
@@ -58,16 +58,17 @@ func (q *PriorityQueue[T]) Len() int {
 	return len(q.items)
 }
 
-func (q *PriorityQueue[T]) Peek() (T, bool) {
+// offset should be between 0 and Len() - 1
+func (q *PriorityQueue[T]) Peek(offset int) (T, bool) {
 	q.lock.RLock()
 	defer q.lock.RUnlock()
 
-	if len(q.items) == 0 {
-		var def T
-		return def, false
+	if offset < 0 || offset >= len(q.items) {
+		var t T
+		return t, false
 	}
 
-	return q.items[0].value, true
+	return q.items[offset].value, true
 }
 
 func (q *PriorityQueue[T]) Clear() {