FTE's message builtins beyond Quake's: writing floats and integers, and multicast,
which sends the message built with MSG_MULTICAST (QuakeServer.Multicast.send/4)
and starts a new one.
Summary
Functions
Run message builtin builtin (a number or a name).
Functions
@spec call(map(), integer() | String.t(), non_neg_integer()) :: map()
Run message builtin builtin (a number or a name).