From b0baff2249b84f6069c9aadf1196f282d22cfbc6 Mon Sep 17 00:00:00 2001
From: Jiquan Long <jiquan.long@zilliz.com>
Date: Fri, 17 Dec 2021 21:52:46 +0800
Subject: [PATCH] [skip e2e] Add comment for isNumber (#13653)

Signed-off-by: dragondriver <jiquan.long@zilliz.com>
---
 internal/proxy/validate_util.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/internal/proxy/validate_util.go b/internal/proxy/validate_util.go
index 22b511a5f3..b05878d13e 100644
--- a/internal/proxy/validate_util.go
+++ b/internal/proxy/validate_util.go
@@ -35,6 +35,7 @@ func isAlpha(c uint8) bool {
 	return true
 }
 
+// isNumber check if c is a number.
 func isNumber(c uint8) bool {
 	if c < '0' || c > '9' {
 		return false