pipeline reading code; completely non-compiling right now

StackExchange.Redis/StackExchange.Redis.csproj

@@ -10,6 +10,7 @@
     <OutputTypeEx>Library</OutputTypeEx>
     <SignAssembly>true</SignAssembly>
     <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
+    <LangVersion>7.2</LangVersion>
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net45' OR '$(TargetFramework)' == 'net46' ">

StackExchange.Redis/StackExchange/Redis/RedisValue.cs

@@ -189,17 +189,18 @@ internal static unsafe int GetHashCode(byte[] value)
                 return acc;
             }
         }
-
         internal static bool TryParseInt64(byte[] value, int offset, int count, out long result)
+            => TryParseInt64(new ReadOnlySpan<byte>(value, offset, count), out result);
+        internal static bool TryParseInt64(ReadOnlySpan<byte> value, out long result)
         {
             result = 0;
-            if (value == null || count <= 0) return false;
+            if (value.IsEmpty) return false;
             checked
             {
-                int max = offset + count;
-                if (value[offset] == '-')
+                int max = value.Length;
+                if (value[0] == '-')
                 {
-                    for (int i = offset + 1; i < max; i++)
+                    for (int i = 1; i < max; i++)
                     {
                         var b = value[i];
                         if (b < '0' || b > '9') return false;
@@ -209,7 +210,7 @@ internal static bool TryParseInt64(byte[] value, int offset, int count, out long
                 }
                 else
                 {
-                    for (int i = offset; i < max; i++)
+                    for (int i = 0; i < max; i++)
                     {
                         var b = value[i];
                         if (b < '0' || b > '9') return false;

StackExchange.Redis/StackExchange/Redis/SocketManager.cs

@@ -37,10 +37,10 @@ internal partial interface ISocketCallback
 
         void OnHeartbeat();
 
-        /// <summary>
-        /// Indicates that data is available on the socket, and that the consumer should read synchronously from the socket while there is data
-        /// </summary>
-        void Read();
+        ///// <summary>
+        ///// Indicates that data is available on the socket, and that the consumer should read synchronously from the socket while there is data
+        ///// </summary>
+        //void Read();
 
         /// <summary>
         /// Indicates that we cannot know whether data is available, and that the consume should commence reading asynchronously