const crypto/tls.recordTypeAlert

6 uses

	crypto/tls (current package)
		common.go#L54: 	recordTypeAlert            recordType = 21
		conn.go#L649: 		if (typ != recordTypeAlert && typ != recordTypeHandshake) || vers >= 0x1000 {
		conn.go#L680: 	if typ != recordTypeAlert && typ != recordTypeChangeCipherSpec && len(data) > 0 {
		conn.go#L694: 	case recordTypeAlert:
		conn.go#L820: 	_, writeErr := c.writeRecordLocked(recordTypeAlert, c.tmp[0:2])
		conn.go#L1304: 		recordType(c.rawInput.Bytes()[0]) == recordTypeAlert {