EventSubscription constructor

EventSubscription([
  1. Handler _defaultBehavior = EventSubscription._defaultBehaviorImpl
])

Default constructor uses the private defaultbehavior handler for all unhandled endpoints, which is to print all JSON consumed. Provide a Handler argument to override the subscription's default behavior on all incoming messages.

Implementation

EventSubscription(
    [this._defaultBehavior = EventSubscription._defaultBehaviorImpl]);