Maintenance Ruby 3.3 gets fixes, but no new features. Switch to Ruby 4.0 →
instance method
OptionParser::Switch::RequiredArgument#parse
parse(arg, argv)
lib/optparse.rb
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# File tmp/rubies/ruby-3.3.0/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
Raises an exception if argument is not present.