# File lib/rgl/rdot.rb, line 309 309: def to_s (t = '') 310: t + "#{@from} #{edge_link} #{to} [\n" + 311: @options.to_a.collect{ |i| 312: i[1] && i[0] != 'label' ? 313: t + $tab + "#{i[0]} = #{i[1]}" : 314: i[1] ? t + $tab + "#{i[0]} = \"#{i[1]}\"" : nil 315: }.compact.join( "\n" ) + "\n" + t + "]\n" 316: end