4 files changed, 21 insertions, 0 deletions
diff --git a/grextras b/grextras
-Subproject ef9d5db728f1cc59f249e17eb35c1e52b27297d
+Subproject 42f368250de4d819f0c417279e2b6ea9b68ecad
diff --git a/include/gras/tags.hpp b/include/gras/tags.hpp
index e3c8982..8214d4e 100644
--- a/include/gras/tags.hpp
+++ b/include/gras/tags.hpp
@@ -40,6 +40,7 @@ struct GRAS_API Tag : boost::less_than_comparable<Tag>
 };
 
 GRAS_API bool operator<(const Tag &lhs, const Tag &rhs);
+GRAS_API bool operator==(const Tag &lhs, const Tag &rhs);
 
 /*!
  * A stream tag is a commonly used structure
diff --git a/lib/serialize_types.cpp b/lib/serialize_types.cpp
index fde7277..ae4df65 100644
--- a/lib/serialize_types.cpp
+++ b/lib/serialize_types.cpp
@@ -54,6 +54,19 @@ void load(Archive & ar, gras::SBuffer & b, unsigned int version)
 BOOST_SERIALIZATION_SPLIT_FREE(gras::SBuffer)
 PMC_SERIALIZE_EXPORT(gras::SBuffer, "PMC<gras::SBuffer>")
 
+/***********************************************************************
+ * support for tag type
+ **********************************************************************/
+namespace boost { namespace serialization {
+template <class Archive>
+void serialize(Archive &ar, gras::Tag &t, const unsigned int)
+{
+    ar & t.offset;
+    ar & t.object;
+}
+}}
+
+PMC_SERIALIZE_EXPORT(gras::Tag, "PMC<gras::Tag>")
 
 /***********************************************************************
  * support for special packet msg type
diff --git a/lib/tags.cpp b/lib/tags.cpp
index 0b510f6..d9f1dab 100644
--- a/lib/tags.cpp
+++ b/lib/tags.cpp
@@ -15,6 +15,13 @@ bool gras::operator<(const Tag &lhs, const Tag &rhs)
     return lhs.offset < rhs.offset;
 }
 
+bool gras::operator==(const Tag &lhs, const Tag &rhs)
+{
+    return
+        lhs.offset == rhs.offset and
+        lhs.object.eq(rhs.object);
+}
+
 StreamTag::StreamTag(const PMCC &key, const PMCC &val, const PMCC &src):
     key(key), val(val), src(src)
 {