concat_content_tag

text_helper.rb

module ActionView
  module Helpers
    module TextHelper
      def method_missing(name, *args, &block)
        if name.to_s =~ /\Aconcat_(.+)/
          concat public_send($1, *args, &block)
        else
          super
        end
      end

      def respond_to_missing?(name, include_private = false)
        if name.to_s =~ /\Aconcat_(.+)/
          respond_to?($1, include_private)
        else
          super
        end
      end
    end
  end
end