method

notify_observers

Ruby latest stable (v2_5_5) - 0 notes - Class: Observable

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What's this?

notify_observers(*arg) public

Notify observers of a change in state if this object’s changed state is true.

This will invoke the method named in #add_observer, passing *arg. The changed state is then set to false.

*arg

Any arguments to pass to the observers.

Show source

# File lib/observer.rb, line 193
  def notify_observers(*arg)
    if defined? @observer_state and @observer_state
      if defined? @observer_peers
        @observer_peers.each do |k, v|
          k.send v, *arg
        end
      end
      @observer_state = false
    end
  end

notify_observers

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