class OptionParser::Switch::OptionalArgument

Parent:
self

Switch that can omit argument.

Public Instance Methods

parse(arg, argv, &error) Show source 
# File lib/optparse.rb, line 717
def parse(arg, argv, &error)
  if arg
    conv_arg(*parse_arg(arg, &error))
  else
    conv_arg(arg)
  end
end

Parses argument if given, or uses default value.

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