class Slop::Parser

def try_process(flag, arg)
  if option = matching_option(flag)
    process(option, arg)
  elsif flag.start_with?("--no-") && option = matching_option(flag.sub("no-", ""))
    process(option, false)
  elsif flag =~ /\A-[^-]{2,}/
    try_process_smashed_arg(flag) || try_process_grouped_flags(flag, arg)
  else
    if flag.start_with?("-") && !suppress_errors?
      raise UnknownOption.new("unknown option `#{flag}'", "#{flag}")
    end
  end
end