X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftag.h;h=47c4643e1fa8e27fd5fe73fe96c84ce78650d938;hb=56c9bfa0b47583fb9067705a69c3639a17d4a097;hp=87d4af656d9a8cea87969f7c966ac6d74d7fb26e;hpb=c6aea1bc1586ffef132e6fffdf99343cb56617db;p=libs%2Fgl.git

diff --git a/source/tag.h b/source/tag.h
index 87d4af65..47c4643e 100644
--- a/source/tag.h
+++ b/source/tag.h
@@ -1,3 +1,10 @@
+/* $Id$
+
+This file is part of libmspgl
+Copyright © 2007, 2010  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
 #ifndef MSP_GL_TAG_H_
 #define MSP_GL_TAG_H_
 
@@ -13,6 +20,9 @@ struct Tag
 	Tag(): id(0) { }
 	Tag(const char *);
 	Tag(const std::string &s);
+
+	bool operator<(const Tag &t) const { return id<t.id; }
+	bool operator==(const Tag &t) const { return id==t.id; }
 };
 
 } // namespace GL