instance method dependency_digest

# File actionview/lib/action_view/digestor.rb, line 97
      def dependency_digest(finder, stack)
        children.map do |node|
          if stack.include?(node)
            false
          else
            finder.digest_cache[node.name] ||= begin
                                                 stack.push node
                                                 node.digest(finder, stack).tap { stack.pop }
                                               end
          end
        end.join("-")
      end