code: func (cn *connection) allStats(f func(*ConnStats)) {
  	f(&cn.stats)
  	if cn.reconciledHandshakeStats {
  		cn.postHandshakeStats(f)
  	}
  }
docs: // All ConnStats that include this connection. Some objects are not known
  // until the handshake is complete, after which it's expected to reconcile the
  // differences.