# File lib/erbook/rdoc.rb, line 25
    def self.refresh_all_classes_and_modules
      visit = lambda do |node|
        if node.is_a? NormalClass or node.is_a? SingleClass
          @@all_classes[node.full_name] = node

        elsif node.is_a? NormalModule
          @@all_modules[node.full_name] = node
        end

        (node.classes + node.modules).each {|n| visit[n] }
      end

      all_classes_and_modules.each {|n| visit[n] }
    end