Packet: optimized Packet.is<> member by removing dynamic_cast

[senf.git] / senf / Packets / Packet.cti

diff --git a/senf/Packets/Packet.cti b/senf/Packets/Packet.cti
index a428565..80bb93a 100644 (file)
--- a/senf/Packets/Packet.cti
+++ b/senf/Packets/Packet.cti
@@ -59,7 +59,10 @@ template <class OtherPacket>
 prefix_ bool senf::Packet::is()
     const
 {
-    return valid() && ptr()->is<typename OtherPacket::type>();
+    // ensure that the template class is included in the corresponding object file when linking:
+    { static typename PacketInterpreter<typename OtherPacket::type>::factory_t _ (
+            PacketInterpreter<typename OtherPacket::type>::factory()); (void) _;}
+    return valid() && typeId() == typeIdValue<OtherPacket>();
 }
 
 template <class OtherPacket>