# File lib/kwala/lib/cycle_detector.rb, line 257
    def print_node(node)
      if node.state == CycleDetector::Node::UNVISITED
        node.state = CycleDetector::Node::INPROGRESS
        puts " --- #{ node.name } --- (#{node.edges.size} edges)"
        node.edges.each do |eg|
          puts "     -> #{ eg.name }"
        end
        node.state = CycleDetector::Node::DONE
      end
    end