OptionParser::Switch::OptionalArgument

class OptionParser::Switch::OptionalArgument

Switch that can omit argument.

parse(arg, argv, &error) Show source

Parses argument if given, or uses default value.

# File lib/optparse.rb, line 543
def parse(arg, argv, &error)
  if arg
    conv_arg(*parse_arg(arg, &error))
  else
    conv_arg(arg)
  end
end

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Licensed under the Ruby License.
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