onListen property
The callback which is called when the stream is listened to.
May be set to null
, in which case no callback will happen.
Implementation
@override
void Function()? get onListen => _delegate.onListen;
The callback which is called when the stream is listened to.
May be set to null
, in which case no callback will happen.
Implementation
@override
set onListen(void Function()? onListenHandler) =>
_delegate.onListen = onListenHandler;