class EventHandler::AddHandlerEvent

• EventHandler::AddHandlerEvent
• EventHandler::Event
• Reference
• Object

Overview

Meta event, emitted whenever a handler is added for any event, including itself.

When AddHandlerEvent and RemoveHandlerEvent are emitted, they invoke their handlers with the Wrapper object. A wrapper object for each handler is implicitly created on every on(), and in addition to providing access to the handlers themselves, wrappers also contain the values of arguments used during handler subscription (values of once?, async?, and at). This allows listeners on these meta events full insight into the added handlers and their settings.

Defined in:

Constructors

• .new(event : ::EventHandler::Event.class, wrapper : EventHandler::Wrapper(Proc(Event, Nil)))

Instance Method Summary

• #clone
• #copy_with(event _event = @event, wrapper _wrapper = @wrapper)
• #event : ::EventHandler::Event.class
• #wrapper : EventHandler::Wrapper(Proc(Event, Nil))

Constructor Detail

Instance Method Detail