code: func newScanBoolHandler(b *bool) replyHandler {
  	return func(reply interface{}) error {
  		if b == nil {
  			return fmt.Errorf("jobs: Error in newScanBoolHandler: expected arg v to be a pointer to a bool but it was nil")
  		}
  		var err error
  		(*b), err = redis.Bool(reply, nil)
  		if err != nil {
  			return fmt.Errorf("jobs: Error in newScanBoolHandler: %s", err.Error())
  		}
  		return nil
  	}
  }
docs: // newScanBoolHandler returns a replyHandler which, when run, will convert reply to a
  // bool and scan it into b.