method

prepend_one

Importance_0
v4.2.1 - Show latest stable - 0 notes - Class: ActiveSupport::Callbacks::CallbackChain
prepend_one(callback) private

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# File activesupport/lib/active_support/callbacks.rb, line 581
      def prepend_one(callback)
        @callbacks = nil
        remove_duplicates(callback)
        @chain.unshift(callback)
      end
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