const crypto/tls.alertCloseNotify

6 uses

	crypto/tls (current package)
		alert.go#L18: 	alertCloseNotify                  alert = 0
		alert.go#L54: 	alertCloseNotify:                  "close notify",
		conn.go#L698: 		if alert(data[1]) == alertCloseNotify {
		conn.go#L813: 	case alertNoRenegotiation, alertCloseNotify:
		conn.go#L821: 	if err == alertCloseNotify {
		conn.go#L1369: 		c.closeNotifyErr = c.sendAlertLocked(alertCloseNotify)