M: to-many-chats message-forwards sender>> participant-chats ;
GENERIC: process-message ( irc-message -- )
-M: object process-message drop ;
+M: object process-message drop ;
M: ping process-message trailing>> /PONG ;
M: join process-message [ sender>> ] [ chat> ] bi join-participant ;
M: part process-message [ sender>> ] [ chat> ] bi part-participant ;