# File lib/blocker.rb, line 383
383:     def initialize(*opts)
384:       initialize_options(*opts)
385:       
386:       @length = @opts[:length].to_i
387:       raise ArgumentError.new("Missing or invalid string length") unless @length > 0
388:       @format = "Z#{@length}"
389:       
390:       @key = @opts[:key]
391:       @valid = @opts[:valid]
392:       
393:       initialize_data(*opts)
394:     end