publishParams method
Publishes the specified topic
along with the given CallbackParams to
all registered callbacks for that topic
.
The CallbackParams provide positional and named arguments to pass to the callbacks.
Implementation
void publishParams(String topic, CallbackParams args) {
void _send(Function? fn) =>
Function.apply(fn!, args.positional, args.named);
_cache[topic]?.forEach(_send);
_cacheOnce[topic]?.forEach(_send);
_cacheOnce.remove(topic);
}