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concern

concern(topic, &module_definition)

Instance Public methods

A low-cruft shortcut to define a concern.

concern :EventTracking do
  ...
end

is equivalent to

module EventTracking
  extend ActiveSupport::Concern

  ...
end

Links:

https://github.com/rails/rails/blob/d4d041c1fe55c10a786a4a1a7ff0c34867944b2f/activesupport/lib/active_support/core_ext/module/concerning.rb#L127

doc_ruby_on_rails

2015-06-20 00:00:00

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