getOrCreateStreamController<T> static method
Implementation
static StreamController<T> getOrCreateStreamController<T>(
Readable<T> readable) {
StreamController<T>? controller =
_readableStreams[readable] as StreamController<T>?;
if (controller == null) {
final newController = createWatchedStreamController(readable);
_readableStreams[readable] = newController;
controller = newController;
}
return controller;
}