# File Warshall.rb, line 205 def to_s return "{}" if @basis == nil str = "Basismenge: \n " + @basis.to_s + "\n" + "Adjazenzliste (Vorgaenger): \n " @vor.each_key{|i| str+= "\t"+i.to_s+" " + (@vor[i].to_s) + "\n"} str+= "\n" str+="Adjazenzliste (Nachfolger):\n " @nach.each_key{|i| str+= "\t"+i.to_s+" " + (@nach[i].to_s) + "\n"} return str end