unregister method

void unregister(
  1. String id
)

Unregister a signal.

Implementation

void unregister(String id) {
  final signal = _standaloneSignals.remove(id);
  final listener = _standaloneListeners.remove(id);
  if (signal != null && listener != null) {
    signal.removeListener(listener);
  }
  _standaloneHistory.remove(id);
}