How to override/extend x509.CertPool contains function?

Getting Help
5

Thanks. I got it to do what I needed using that VerifyPeerCertificate along with setting ClientAuth to tls.RequireAnyClientCert:

var tlsConf = &tls.Config{
   VerifyPeerCertificate: validateCert,
   ClientAuth:            tls.RequireAnyClientCert, 
}