Module: Glimmer::DataBinding::Tk::OneTimeObserver

Defined in:
lib/glimmer/data_binding/tk/one_time_observer.rb

Overview

Decorator for Observer that ensures it is only called once (subsequent invocations of call method do nothing)

Instance Method Summary collapse

Instance Method Details

#call(value) ⇒ Object 



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# File 'lib/glimmer/data_binding/tk/one_time_observer.rb', line 30

def call(value)
  unless @called
    super
    @called = true
  end
end