Function parseArgs

lib/argsert.ts:16–28

()

  arg3?: number
): void {
  function parseArgs(): [
    Pick<ParsedCommand, 'demanded' | 'optional'>,
    any[],
    number?,
  ] {
    return typeof arg1 === 'object'
      ? [{demanded: [], optional: []}, arg1, arg2 as number | undefined]
      : [
          parseCommand(`cmd ${arg1}`),
          arg2 as any[],
          arg3 as number | undefined,
        ];
  }
  // TODO: should this eventually raise an exception.
  try {
    // preface the argument description with "cmd", so