From 72f23710bad951958d81e09e400ed79c3b63e69c Mon Sep 17 00:00:00 2001
From: maskpp <maskpp266@gmail.com>
Date: Fri, 28 Jun 2024 21:18:52 +0800
Subject: [PATCH] simplify Pop function in nonceHeap

---
 core/txpool/legacypool/list.go | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/core/txpool/legacypool/list.go b/core/txpool/legacypool/list.go
index b749db44d4..147cffc2a5 100644
--- a/core/txpool/legacypool/list.go
+++ b/core/txpool/legacypool/list.go
@@ -44,11 +44,8 @@ func (h *nonceHeap) Push(x interface{}) {
 }
 
 func (h *nonceHeap) Pop() interface{} {
-	old := *h
-	n := len(old)
-	x := old[n-1]
-	old[n-1] = 0
-	*h = old[0 : n-1]
+	var x interface{}
+	x, *h = (*h)[len(*h)-1], (*h)[:len(*h)-1]
 	return x
 }