Type Alias BoxedEventHandlerFn 

pub type BoxedEventHandlerFn<T> = Pin<Box<fn(Arc<RwLock<T>>, EngineGlobals, Event<'static, UserEvent<Arc<dyn Any + Send + Sync>>>) -> BoxFuture<'static, Swap>>>;

Aliased Type

pub struct BoxedEventHandlerFn<T> { /* private fields */ }