STRUCT
TransportFilter
Message filter
Partial meta is used as a message filter - receiving side may decide to wait for
messages with specific room, specific topic, end even any message (with TransportFilter()
as a filter)
STRUCT
TransportFilter
Message filter
Partial meta is used as a message filter - receiving side may decide to wait for
messages with specific room, specific topic, end even any message (with TransportFilter()
as a filter)
room
topic
init(room:topic:)