on method

void on(
  1. String event,
  2. Function handler
)
inherited

This function binds the handler as a listener to the event

@param String event - The event to add the handler to @param Function handler - The handler to bind to the event @return void

Implementation

void on(String event, Function handler) {
  this._events.putIfAbsent(event, () => <Function>[]);
  this._events[event]!.add(handler);
}