Implement the subscriber_handler function using the provided signature.
arguments
group_name: Represent the desired group.
receiver: A broadcast receiver channel that listens for incoming messages.
outbound: A TCP stream that sends messages from the server to clients.
The handler should continuously listen for messages and errors from the channel and report any encountered errors.
Implement the subscriber_handler function using the provided signature.
arguments
group_name: Represent the desired group.
receiver: A broadcast receiver channel that listens for incoming messages.
outbound: A TCP stream that sends messages from the server to clients.
The handler should continuously listen for messages and errors from the channel and report any encountered errors.