removeListener method

void removeListener(
  1. ErrListener<T> listener
)

Removes a previously registered listener from the list of listeners. If the given listener is not registered, the call is ignored.

This method must not be called after dispose() has been called.

Implementation

void removeListener(ErrListener<T> listener) {
  assert(_debugAssertNotDisposed());
  _notifier.removeListener(listener);
}