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Switch that takes an argument.

Methods
P

Instance Public methods

parse(arg, argv)

Raises an exception if argument is not present.

Source: show | on GitHub 

# File ruby/lib/optparse.rb, line 733
def parse(arg, argv)
  unless arg
    raise MissingArgument if argv.empty?
    arg = argv.shift
  end
  conv_arg(*parse_arg(arg, &method(:raise)))
end