From 71fa2da4b9d932309c0b5ab6a4eb23cd54f80414 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Wed, 23 Sep 2020 20:34:51 +0900
Subject: [PATCH] [Modify] Polish it

---
 websocket-sharp/Net/EndPointListener.cs | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/websocket-sharp/Net/EndPointListener.cs b/websocket-sharp/Net/EndPointListener.cs
index 2be87fac..1f34db26 100644
--- a/websocket-sharp/Net/EndPointListener.cs
+++ b/websocket-sharp/Net/EndPointListener.cs
@@ -153,12 +153,18 @@ namespace WebSocketSharp.Net
 
     #region Private Methods
 
-    private static void addSpecial (List<HttpListenerPrefix> prefixes, HttpListenerPrefix prefix)
+    private static void addSpecial (
+      List<HttpListenerPrefix> prefixes, HttpListenerPrefix prefix
+    )
     {
       var path = prefix.Path;
+
       foreach (var pref in prefixes) {
-        if (pref.Path == path)
-          throw new HttpListenerException (87, "The prefix is already in use.");
+        if (pref.Path == path) {
+          var msg = "The prefix is already in use.";
+
+          throw new HttpListenerException (87, msg);
+        }
       }
 
       prefixes.Add (prefix);