Update Writer.cs

dotnet · Sep 5, 2023 · ffb3a99 · ffb3a99
1 parent c8c253a
commit ffb3a99
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/src/Orleans.Serialization/Buffers/Writer.cs b/src/Orleans.Serialization/Buffers/Writer.cs
@@ -155,11 +155,12 @@ internal Writer(TBufferWriter output, Span<byte> span, SerializerSession session
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public void Dispose()
         {
+            // Avoid boxing the struct, for better perf and codegen.
             if (typeof(TBufferWriter).IsValueType)
             {
-                if (Output is IDisposable disposable)
+                if (Output is IDisposable)
                 {
-                    disposable.Dispose();
+                    ((IDisposable)Output).Dispose();
                 }
             }
             else
@@ -548,4 +549,4 @@ private void WriteVarUInt64Slow(ulong value)
             BinaryPrimitives.WriteUInt16LittleEndian(_currentSpan.Slice(sizeof(ulong)), (ushort)upper);
         }
     }
-}
+}