GetoptLong#set_error

# File tmp/rubies/ruby-3.3.0/lib/getoptlong.rb, line 639
def set_error(type, message)
  $stderr.print("#{$0}: #{message}\n") if !@quiet

  @error = type
  @error_message = message
  @canonical_names = nil
  @argument_flags = nil
  @rest_singles = nil
  @non_option_arguments = nil

  raise type, message
end