From f96678cb6b897f92921a2a52ae1c9f0248346a12 Mon Sep 17 00:00:00 2001
From: Lanco <35420416+lancoLiu@users.noreply.github.com>
Date: Sun, 11 Jul 2021 14:38:45 +0800
Subject: [PATCH] use assert1 func (#2783)

---
 routergroup.go | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/routergroup.go b/routergroup.go
index 6f14bf59..bb24bd52 100644
--- a/routergroup.go
+++ b/routergroup.go
@@ -214,9 +214,7 @@ func (group *RouterGroup) createStaticHandler(relativePath string, fs http.FileS
 
 func (group *RouterGroup) combineHandlers(handlers HandlersChain) HandlersChain {
 	finalSize := len(group.Handlers) + len(handlers)
-	if finalSize >= int(abortIndex) {
-		panic("too many handlers")
-	}
+	assert1(finalSize < int(abortIndex), "too many handlers")
 	mergedHandlers := make(HandlersChain, finalSize)
 	copy(mergedHandlers, group.Handlers)
 	copy(mergedHandlers[len(group.Handlers):], handlers)