1 files changed, 5 insertions, 0 deletions
diff --git a/src/MessagePack.UnityClient/Assets/Scripts/MessagePack/Nil.cs b/src/MessagePack.UnityClient/Assets/Scripts/MessagePack/Nil.cs
index 9533d24d..04bade76 100644
--- a/src/MessagePack.UnityClient/Assets/Scripts/MessagePack/Nil.cs
+++ b/src/MessagePack.UnityClient/Assets/Scripts/MessagePack/Nil.cs
@@ -3,6 +3,7 @@
 
 using System;
 using System.Buffers;
+using System.Data.Common;
 
 namespace MessagePack
 {
@@ -15,6 +16,10 @@ namespace MessagePack
     {
         public static readonly Nil Default = default(Nil);
 
+        public static bool operator ==(Nil left, Nil right) => true;
+
+        public static bool operator !=(Nil left, Nil right) => false;
+
         public override bool Equals(object obj)
         {
             return obj is Nil;