X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftag.h;h=ac31bce6839677620a96725dd11bc214c95132df;hb=3cdcc7f689b3868dd275774b9bd9adb5c436f244;hp=87d4af656d9a8cea87969f7c966ac6d74d7fb26e;hpb=c6aea1bc1586ffef132e6fffdf99343cb56617db;p=libs%2Fgl.git

diff --git a/source/tag.h b/source/tag.h
index 87d4af65..ac31bce6 100644
--- a/source/tag.h
+++ b/source/tag.h
@@ -13,6 +13,9 @@ 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