# File lib/puppet/type/cron.rb, line 329
329:         def is_to_s(newvalue)
330:             if newvalue
331:                 if newvalue.is_a?(Array)
332:                     newvalue.join(",")
333:                 else
334:                     newvalue
335:                 end
336:             else
337:                 nil
338:             end
339:         end