It's like Observable, but better.
# Let's define a class with subscribable events
class EventsExample
include Events # Mix in the magic
# Define an event
event :activation
# Here, we define a method that fires the event
def activate
# Event.fire sets off the event and collects
# any return values from subscribed events
return_values = @activation.fire
return_values
end
end
# Let's build an object...
example = EventsExample.new
# ...and then add some subscribers
example.on_activation do
"Hello"
end
example.on_activation do
"World!"
end
# Finally, we call a method which alerts the subscribers
example.activate # => ["Hello", "World!"]Anything else? Check the code.