method

guess

v1_9_1_378 - Show latest stable - 0 notes - Class: OptionParser::Switch

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guess(arg) public

Guesses argument style from arg. Returns corresponding OptionParser::Switch class (OptionalArgument, etc.).

# File lib/optparse.rb, line 288
    def self.guess(arg)
      case arg
      when ""
        t = self
      when /\A=?\[/
        t = Switch::OptionalArgument
      when /\A\s+\[/
        t = Switch::PlacedArgument
      else
        t = Switch::RequiredArgument
      end
      self >= t or incompatible_argument_styles(arg, t)
      t
    end

guess

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