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class Handler

Stackable event handler base class. Subclasses override the append method, do their thing, then call super (or don't, to swallow the event).

Definitions

def <<(event)

Default: pass through. Subclasses override this method, do their thing, then call super (or don't, to swallow the event).

Implementation

 
def <<(event)
  tap do
    @inner << event if @inner
  end
end