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dangjlin/sample_concern.rb

Created June 22, 2015 06:40
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sample_concern.rb
module M2
extend ActiveSupport::Concern
included do
my_attr_reader :age
end
end
module M1
extend ActiveSupport::Concern
include M2
included do
my_attr_reader :name
end
end
class C
def self.my_attr_reader(*args); end
include M1
end
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