instance method
OptionParser::Switch::OptionalArgument#parse
(untyped arg, untyped argv) { (*untyped) -> untyped } -> untyped
parse(arg, argv, &error)
lib/optparse.rb
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# File tmp/rubies/ruby-4.0.0/lib/optparse.rb, line 769
def parse(arg, argv, &error)
if arg
conv_arg(*parse_arg(arg, &error))
else
omitted_argument conv_arg(arg)
end
end
Parses argument if given, or uses default value.