onMessage<T extends Message> method
void
onMessage<T extends Message>(
- void handler(
- T message
handle messages with specific type T
the same as on(message: ...)
but checks the type T
of the message
before calling handler
Implementation
void onMessage<T extends Message>(
void Function(T message) handler,
) =>
on(message: (msg) {
if (msg is T) {
handler(msg);
}
});