/ Ruby on Rails
/
method

append_one

rails latest stable - Class: ActiveSupport::Callbacks::CallbackChain

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v5.0.0.1) is shown here.

append_one(callback)
private

No documentation available.

# File activesupport/lib/active_support/callbacks.rb, line 526
      def append_one(callback)
        @callbacks = nil
        remove_duplicates(callback)
        @chain.push(callback)
      end