From 9ed80daf83f03634804ab57705c635d4461ebf4f Mon Sep 17 00:00:00 2001
From: xljiulang <366193849@qq.com>
Date: Wed, 25 Mar 2020 21:32:43 +0800
Subject: [PATCH] Reduce the performance cost of Memory<T>.getSpan()

---
 Source/MQTTnet.AspnetCore/Extensions/ReaderExtensions.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Source/MQTTnet.AspnetCore/Extensions/ReaderExtensions.cs b/Source/MQTTnet.AspnetCore/Extensions/ReaderExtensions.cs
index 2746c7d..d6ec584 100644
--- a/Source/MQTTnet.AspnetCore/Extensions/ReaderExtensions.cs
+++ b/Source/MQTTnet.AspnetCore/Extensions/ReaderExtensions.cs
@@ -80,7 +80,7 @@ namespace MQTTnet.AspNetCore
             headerLength = 0;
             bodyLength = 0;
             
-            var temp = input.Slice(0, Math.Min(5, input.Length)).GetMemory();
+            var temp = input.Slice(0, Math.Min(5, input.Length)).GetMemory().Span;
 
             do
             {
@@ -88,7 +88,7 @@ namespace MQTTnet.AspNetCore
                 {
                     return false;
                 }
-                encodedByte = temp.Span[index];
+                encodedByte = temp[index];
                 index++;
 
                 value += (byte)(encodedByte & 127) * multiplier;