OptionParser::Switch::RequiredArgument

Class

Switch that takes an argument.

Instance Methods

parse(arg, argv, &_)

          
            # File tmp/rubies/ruby-master/lib/optparse.rb, line 742
def parse(arg, argv, &_)
  unless arg
    raise MissingArgument if argv.empty?
    arg = argv.shift
  end
  conv_arg(*parse_arg(arg, &method(:raise)))
end

Raises an exception if argument is not present.