off method

void off(
  1. dynamic eventName, [
  2. EventCallback? f
])

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Implementation

void off(eventName, [EventCallback? f]) {
  var list = _eMap[eventName];
  if (eventName == null || list == null) return;
  if (f == null) {
    // _eMap[eventName]?.clear();
  } else {
    list.remove(f);
  }
}