senfscons: Fix 'Object' build helper to work with empty source list in SCons 0.96.1

[senf.git] / Packets / PacketType.cti

diff --git a/Packets/PacketType.cti b/Packets/PacketType.cti
index aa610d8..e79d6b8 100644 (file)
--- a/Packets/PacketType.cti
+++ b/Packets/PacketType.cti
@@ -73,6 +73,13 @@ prefix_ void senf::PacketTypeMixin<Self,Registry>::init(Packet p)
     p.as< ConcretePacket<Self> >()->init();
 }
 
+template <class Self, class Registry>
+prefix_ typename senf::PacketTypeMixin<Self,Registry>::optional_registry_key_t
+senf::PacketTypeMixin<Self,Registry>::key(Packet p)
+{
+    return p ? PacketRegistry<Registry>::key(p, nothrow) : optional_registry_key_t();
+}
+
 ///////////////////////////////////////////////////////////////////////////
 // senf::PacketTypeMixin<Self,void>
 
@@ -115,4 +122,6 @@ prefix_ void senf::PacketTypeMixin<Self,void>::init(Packet p)
 // c-file-style: "senf"
 // indent-tabs-mode: nil
 // ispell-local-dictionary: "american"
+// compile-command: "scons -u test"
+// comment-column: 40
 // End: