Class OptionParser::OptionalArgument
In: optparse.rb
Parent: self

Switch that can omit argument.

Methods

parse  

Public Instance methods

Parses argument if given, or uses default value.

[Source]

# File optparse.rb, line 466
      def parse(arg, argv, &error)
        if arg
          conv_arg(*parse_arg(arg, &error))
        else
          conv_arg(arg)
        end
      end

[Validate]

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