Flowdock
method

setup!

Importance_0
setup!(klass) private

No documentation

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# File activemodel/lib/active_model/validations/acceptance.rb, line 18
        def setup!(klass)
          define_attributes = LazilyDefineAttributes.new(attributes)
          klass.include(define_attributes) unless klass.included_modules.include?(define_attributes)
        end
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