Method: ActiveSupport::DescendantsTracker::WeakSet#<<

Defined in:: activesupport/lib/active_support/descendants_tracker.rb,
activesupport/lib/active_support/descendants_tracker.rb

#<<(object) ⇒ `Object`



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# File 'activesupport/lib/active_support/descendants_tracker.rb', line 23

def <<(object)
  self[object] = true
end