From 90e935f835a38583e2d8cf000c61f45bb9f19aec Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Tue, 7 Jan 2020 22:28:36 +0900
Subject: [PATCH] [Modify] Polish it

---
 websocket-sharp/Net/HttpListenerResponse.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/websocket-sharp/Net/HttpListenerResponse.cs b/websocket-sharp/Net/HttpListenerResponse.cs
index 8b235424..4347e13e 100644
--- a/websocket-sharp/Net/HttpListenerResponse.cs
+++ b/websocket-sharp/Net/HttpListenerResponse.cs
@@ -369,8 +369,10 @@ namespace WebSocketSharp.Net
           return;
         }
 
-        if (value.Length == 0)
-          throw new ArgumentException ("An empty string.", "value");
+        if (value.Length == 0) {
+          var msg = "An empty string.";
+          throw new ArgumentException (msg, "value");
+        }
 
         if (!value.IsPrintable ()) {
           var msg = "It contains an invalid character.";