commit 7de1aef8488e48d9df35d2207ef28de0ea42a296
author Jon Skeet <skeet@pobox.com> Thu Mar 05 14:23:17 2009 +0000
committer Jon Skeet <skeet@pobox.com> Thu Mar 05 14:23:17 2009 +0000
tree 7808804ff3a15e70932c6dab09965f4816ad1066
parent 75f4268e601fbd6a0de050b5da4aa7767c86c513

Avoid creating UnknownFieldSets unless we really have to.

src/ProtocolBuffers/WireFormat.cs

diff --git a/src/ProtocolBuffers/WireFormat.cs b/src/ProtocolBuffers/WireFormat.cs
index 2bd0a5a..8f723d5 100644
--- a/src/ProtocolBuffers/WireFormat.cs
+++ b/src/ProtocolBuffers/WireFormat.cs
@@ -91,6 +91,10 @@
       return (WireType) (tag & TagTypeMask);
     }
 
+    public static bool IsEndGroupTag(uint tag) {
+      return (WireType)(tag & TagTypeMask) == WireType.EndGroup;
+    }
+
     /// <summary>
     /// Given a tag value, determines the field number (the upper 29 bits).
     /// </summary>