code: func AddPemToCertPool(pemCerts []byte, pool *x509.CertPool) error {
  	certs, _, err := pemToX509Certs(pemCerts)
  	if err != nil {
  		return err
  	}
  	for _, cert := range certs {
  		pool.AddCert(cert)
  	}
  	return nil
  }
docs: // AddPemToCertPool adds PEM-encoded certs to a cert pool