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How to use Len method of config Package

Best Gauge code snippet using config.Len

key_agreement.go

Source:key_agreement.go

...60	if err != nil {61		return nil, errors.New("failed to sign RSA parameters: " + err.Error())62	}63	skx := new(serverKeyExchangeMsg)64	sigAlgsLen := 065	if ka.version >= VersionTLS12 {66		sigAlgsLen = 267	}68	skx.key = make([]byte, len(serverRSAParams)+sigAlgsLen+2+len(sig))69	copy(skx.key, serverRSAParams)70	k := skx.key[len(serverRSAParams):]71	if ka.version >= VersionTLS12 {72		k[0] = byte(sigAlg >> 8)73		k[1] = byte(sigAlg)74		k = k[2:]75	}76	k[0] = byte(len(sig) >> 8)77	k[1] = byte(len(sig))78	copy(k[2:], sig)79	return skx, nil80}81func (ka *rsaKeyAgreement) processClientKeyExchange(config *Config, cert *Certificate, ckx *clientKeyExchangeMsg, version uint16) ([]byte, error) {82	preMasterSecret := make([]byte, 48)83	_, err := io.ReadFull(config.rand(), preMasterSecret[2:])84	if err != nil {85		return nil, err86	}87	if len(ckx.ciphertext) < 2 {88		return nil, errClientKeyExchange89	}90	ciphertext := ckx.ciphertext91	if version != VersionSSL30 {92		ciphertextLen := int(ckx.ciphertext[0])<<8 | int(ckx.ciphertext[1])93		if ciphertextLen != len(ckx.ciphertext)-2 {94			return nil, errClientKeyExchange95		}96		ciphertext = ckx.ciphertext[2:]97	}98	key := cert.PrivateKey.(*rsa.PrivateKey)99	if ka.exportKey != nil {100		key = ka.exportKey101	}102	err = rsa.DecryptPKCS1v15SessionKey(config.rand(), key, ciphertext, preMasterSecret)103	if err != nil {104		return nil, err105	}106	// This check should be done in constant-time, but this is a testing107	// implementation. See the discussion at the end of section 7.4.7.1 of108	// RFC 4346.109	vers := uint16(preMasterSecret[0])<<8 | uint16(preMasterSecret[1])110	if ka.clientVersion != vers {111		return nil, fmt.Errorf("tls: invalid version in RSA premaster (got %04x, wanted %04x)", vers, ka.clientVersion)112	}113	return preMasterSecret, nil114}115func (ka *rsaKeyAgreement) processServerKeyExchange(config *Config, clientHello *clientHelloMsg, serverHello *serverHelloMsg, cert *x509.Certificate, skx *serverKeyExchangeMsg) error {116	return errors.New("tls: unexpected ServerKeyExchange")117}118func (ka *rsaKeyAgreement) generateClientKeyExchange(config *Config, clientHello *clientHelloMsg, cert *x509.Certificate) ([]byte, *clientKeyExchangeMsg, error) {119	bad := config.Bugs.BadRSAClientKeyExchange120	preMasterSecret := make([]byte, 48)121	vers := clientHello.vers122	if bad == RSABadValueWrongVersion {123		vers ^= 1124	}125	preMasterSecret[0] = byte(vers >> 8)126	preMasterSecret[1] = byte(vers)127	_, err := io.ReadFull(config.rand(), preMasterSecret[2:])128	if err != nil {129		return nil, nil, err130	}131	sentPreMasterSecret := preMasterSecret132	if bad == RSABadValueTooLong {133		sentPreMasterSecret = make([]byte, len(sentPreMasterSecret)+1)134		copy(sentPreMasterSecret, preMasterSecret)135	} else if bad == RSABadValueTooShort {136		sentPreMasterSecret = sentPreMasterSecret[:len(sentPreMasterSecret)-1]137	}138	encrypted, err := rsa.EncryptPKCS1v15(config.rand(), cert.PublicKey.(*rsa.PublicKey), sentPreMasterSecret)139	if err != nil {140		return nil, nil, err141	}142	if bad == RSABadValueCorrupt {143		encrypted[len(encrypted)-1] ^= 1144		// Clear the high byte to ensure |encrypted| is still below the RSA modulus.145		encrypted[0] = 0146	}147	ckx := new(clientKeyExchangeMsg)148	if ka.version != VersionSSL30 {149		ckx.ciphertext = make([]byte, len(encrypted)+2)150		ckx.ciphertext[0] = byte(len(encrypted) >> 8)151		ckx.ciphertext[1] = byte(len(encrypted))152		copy(ckx.ciphertext[2:], encrypted)153	} else {154		ckx.ciphertext = encrypted155	}156	return preMasterSecret, ckx, nil157}158func (ka *rsaKeyAgreement) peerSignatureAlgorithm() signatureAlgorithm {159	return 0160}161// A ecdhCurve is an instance of ECDH-style key agreement for TLS.162type ecdhCurve interface {163	// offer generates a keypair using rand. It returns the encoded |publicKey|.164	offer(rand io.Reader) (publicKey []byte, err error)165	// accept responds to the |peerKey| generated by |offer| with the acceptor's166	// |publicKey|, and returns agreed-upon |preMasterSecret| to the acceptor.167	accept(rand io.Reader, peerKey []byte) (publicKey []byte, preMasterSecret []byte, err error)168	// finish returns the computed |preMasterSecret|, given the |peerKey|169	// generated by |accept|.170	finish(peerKey []byte) (preMasterSecret []byte, err error)171}172// ellipticECDHCurve implements ecdhCurve with an elliptic.Curve.173type ellipticECDHCurve struct {174	curve      elliptic.Curve175	privateKey []byte176}177func (e *ellipticECDHCurve) offer(rand io.Reader) (publicKey []byte, err error) {178	var x, y *big.Int179	e.privateKey, x, y, err = elliptic.GenerateKey(e.curve, rand)180	if err != nil {181		return nil, err182	}183	return elliptic.Marshal(e.curve, x, y), nil184}185func (e *ellipticECDHCurve) accept(rand io.Reader, peerKey []byte) (publicKey []byte, preMasterSecret []byte, err error) {186	publicKey, err = e.offer(rand)187	if err != nil {188		return nil, nil, err189	}190	preMasterSecret, err = e.finish(peerKey)191	if err != nil {192		return nil, nil, err193	}194	return195}196func (e *ellipticECDHCurve) finish(peerKey []byte) (preMasterSecret []byte, err error) {197	x, y := elliptic.Unmarshal(e.curve, peerKey)198	if x == nil {199		return nil, errors.New("tls: invalid peer key")200	}201	x, _ = e.curve.ScalarMult(x, y, e.privateKey)202	preMasterSecret = make([]byte, (e.curve.Params().BitSize+7)>>3)203	xBytes := x.Bytes()204	copy(preMasterSecret[len(preMasterSecret)-len(xBytes):], xBytes)205	return preMasterSecret, nil206}207// x25519ECDHCurve implements ecdhCurve with X25519.208type x25519ECDHCurve struct {209	privateKey [32]byte210}211func (e *x25519ECDHCurve) offer(rand io.Reader) (publicKey []byte, err error) {212	_, err = io.ReadFull(rand, e.privateKey[:])213	if err != nil {214		return215	}216	var out [32]byte217	curve25519.ScalarBaseMult(&out, &e.privateKey)218	return out[:], nil219}220func (e *x25519ECDHCurve) accept(rand io.Reader, peerKey []byte) (publicKey []byte, preMasterSecret []byte, err error) {221	publicKey, err = e.offer(rand)222	if err != nil {223		return nil, nil, err224	}225	preMasterSecret, err = e.finish(peerKey)226	if err != nil {227		return nil, nil, err228	}229	return230}231func (e *x25519ECDHCurve) finish(peerKey []byte) (preMasterSecret []byte, err error) {232	if len(peerKey) != 32 {233		return nil, errors.New("tls: invalid peer key")234	}235	var out, peerKeyCopy [32]byte236	copy(peerKeyCopy[:], peerKey)237	curve25519.ScalarMult(&out, &e.privateKey, &peerKeyCopy)238	// Per RFC 7748, reject the all-zero value in constant time.239	var zeros [32]byte240	if subtle.ConstantTimeCompare(zeros[:], out[:]) == 1 {241		return nil, errors.New("tls: X25519 value with wrong order")242	}243	return out[:], nil244}245func curveForCurveID(id CurveID) (ecdhCurve, bool) {246	switch id {247	case CurveP224:248		return &ellipticECDHCurve{curve: elliptic.P224()}, true249	case CurveP256:250		return &ellipticECDHCurve{curve: elliptic.P256()}, true251	case CurveP384:252		return &ellipticECDHCurve{curve: elliptic.P384()}, true253	case CurveP521:254		return &ellipticECDHCurve{curve: elliptic.P521()}, true255	case CurveX25519:256		return &x25519ECDHCurve{}, true257	default:258		return nil, false259	}260}261// keyAgreementAuthentication is a helper interface that specifies how262// to authenticate the ServerKeyExchange parameters.263type keyAgreementAuthentication interface {264	signParameters(config *Config, cert *Certificate, clientHello *clientHelloMsg, hello *serverHelloMsg, params []byte) (*serverKeyExchangeMsg, error)265	verifyParameters(config *Config, clientHello *clientHelloMsg, serverHello *serverHelloMsg, cert *x509.Certificate, params []byte, sig []byte) error266}267// nilKeyAgreementAuthentication does not authenticate the key268// agreement parameters.269type nilKeyAgreementAuthentication struct{}270func (ka *nilKeyAgreementAuthentication) signParameters(config *Config, cert *Certificate, clientHello *clientHelloMsg, hello *serverHelloMsg, params []byte) (*serverKeyExchangeMsg, error) {271	skx := new(serverKeyExchangeMsg)272	skx.key = params273	return skx, nil274}275func (ka *nilKeyAgreementAuthentication) verifyParameters(config *Config, clientHello *clientHelloMsg, serverHello *serverHelloMsg, cert *x509.Certificate, params []byte, sig []byte) error {276	return nil277}278// signedKeyAgreement signs the ServerKeyExchange parameters with the279// server's private key.280type signedKeyAgreement struct {281	keyType                keyType282	version                uint16283	peerSignatureAlgorithm signatureAlgorithm284}285func (ka *signedKeyAgreement) signParameters(config *Config, cert *Certificate, clientHello *clientHelloMsg, hello *serverHelloMsg, params []byte) (*serverKeyExchangeMsg, error) {286	// The message to be signed is prepended by the randoms.287	var msg []byte288	msg = append(msg, clientHello.random...)289	msg = append(msg, hello.random...)290	msg = append(msg, params...)291	var sigAlg signatureAlgorithm292	var err error293	if ka.version >= VersionTLS12 {294		sigAlg, err = selectSignatureAlgorithm(ka.version, cert.PrivateKey, config, clientHello.signatureAlgorithms)295		if err != nil {296			return nil, err297		}298	}299	sig, err := signMessage(ka.version, cert.PrivateKey, config, sigAlg, msg)300	if err != nil {301		return nil, err302	}303	if config.Bugs.SendSignatureAlgorithm != 0 {304		sigAlg = config.Bugs.SendSignatureAlgorithm305	}306	skx := new(serverKeyExchangeMsg)307	if config.Bugs.UnauthenticatedECDH {308		skx.key = params309	} else {310		sigAlgsLen := 0311		if ka.version >= VersionTLS12 {312			sigAlgsLen = 2313		}314		skx.key = make([]byte, len(params)+sigAlgsLen+2+len(sig))315		copy(skx.key, params)316		k := skx.key[len(params):]317		if ka.version >= VersionTLS12 {318			k[0] = byte(sigAlg >> 8)319			k[1] = byte(sigAlg)320			k = k[2:]321		}322		k[0] = byte(len(sig) >> 8)323		k[1] = byte(len(sig))324		copy(k[2:], sig)325	}326	return skx, nil327}328func (ka *signedKeyAgreement) verifyParameters(config *Config, clientHello *clientHelloMsg, serverHello *serverHelloMsg, cert *x509.Certificate, params []byte, sig []byte) error {329	// The peer's key must match the cipher type.330	publicKey := getCertificatePublicKey(cert)331	switch ka.keyType {332	case keyTypeECDSA:333		_, edsaOk := publicKey.(*ecdsa.PublicKey)334		_, ed25519Ok := publicKey.(ed25519.PublicKey)335		if !edsaOk && !ed25519Ok {336			return errors.New("tls: ECDHE ECDSA requires a ECDSA or Ed25519 server public key")337		}338	case keyTypeRSA:339		_, ok := publicKey.(*rsa.PublicKey)340		if !ok {341			return errors.New("tls: ECDHE RSA requires a RSA server public key")342		}343	default:344		return errors.New("tls: unknown key type")345	}346	// The message to be signed is prepended by the randoms.347	var msg []byte348	msg = append(msg, clientHello.random...)349	msg = append(msg, serverHello.random...)350	msg = append(msg, params...)351	var sigAlg signatureAlgorithm352	if ka.version >= VersionTLS12 {353		if len(sig) < 2 {354			return errServerKeyExchange355		}356		sigAlg = signatureAlgorithm(sig[0])<<8 | signatureAlgorithm(sig[1])357		sig = sig[2:]358		// Stash the signature algorithm to be extracted by the handshake.359		ka.peerSignatureAlgorithm = sigAlg360	}361	if len(sig) < 2 {362		return errServerKeyExchange363	}364	sigLen := int(sig[0])<<8 | int(sig[1])365	if sigLen+2 != len(sig) {366		return errServerKeyExchange367	}368	sig = sig[2:]369	return verifyMessage(ka.version, publicKey, config, sigAlg, msg, sig)370}371// ecdheKeyAgreement implements a TLS key agreement where the server372// generates a ephemeral EC public/private key pair and signs it. The373// pre-master secret is then calculated using ECDH. The signature may374// either be ECDSA or RSA.375type ecdheKeyAgreement struct {376	auth    keyAgreementAuthentication377	curve   ecdhCurve378	curveID CurveID379	peerKey []byte380}381func (ka *ecdheKeyAgreement) generateServerKeyExchange(config *Config, cert *Certificate, clientHello *clientHelloMsg, hello *serverHelloMsg) (*serverKeyExchangeMsg, error) {382	var curveid CurveID383	preferredCurves := config.curvePreferences()384NextCandidate:385	for _, candidate := range preferredCurves {386		for _, c := range clientHello.supportedCurves {387			if candidate == c {388				curveid = c389				break NextCandidate390			}391		}392	}393	if curveid == 0 {394		return nil, errors.New("tls: no supported elliptic curves offered")395	}396	var ok bool397	if ka.curve, ok = curveForCurveID(curveid); !ok {398		return nil, errors.New("tls: preferredCurves includes unsupported curve")399	}400	ka.curveID = curveid401	publicKey, err := ka.curve.offer(config.rand())402	if err != nil {403		return nil, err404	}405	// http://tools.ietf.org/html/rfc4492#section-5.4406	serverECDHParams := make([]byte, 1+2+1+len(publicKey))407	serverECDHParams[0] = 3 // named curve408	if config.Bugs.SendCurve != 0 {409		curveid = config.Bugs.SendCurve410	}411	serverECDHParams[1] = byte(curveid >> 8)412	serverECDHParams[2] = byte(curveid)413	serverECDHParams[3] = byte(len(publicKey))414	copy(serverECDHParams[4:], publicKey)415	if config.Bugs.InvalidECDHPoint {416		serverECDHParams[4] ^= 0xff417	}418	return ka.auth.signParameters(config, cert, clientHello, hello, serverECDHParams)419}420func (ka *ecdheKeyAgreement) processClientKeyExchange(config *Config, cert *Certificate, ckx *clientKeyExchangeMsg, version uint16) ([]byte, error) {421	if len(ckx.ciphertext) == 0 || int(ckx.ciphertext[0]) != len(ckx.ciphertext)-1 {422		return nil, errClientKeyExchange423	}424	return ka.curve.finish(ckx.ciphertext[1:])425}426func (ka *ecdheKeyAgreement) processServerKeyExchange(config *Config, clientHello *clientHelloMsg, serverHello *serverHelloMsg, cert *x509.Certificate, skx *serverKeyExchangeMsg) error {427	if len(skx.key) < 4 {428		return errServerKeyExchange429	}430	if skx.key[0] != 3 { // named curve431		return errors.New("tls: server selected unsupported curve")432	}433	curveid := CurveID(skx.key[1])<<8 | CurveID(skx.key[2])434	ka.curveID = curveid435	var ok bool436	if ka.curve, ok = curveForCurveID(curveid); !ok {437		return errors.New("tls: server selected unsupported curve")438	}439	publicLen := int(skx.key[3])440	if publicLen+4 > len(skx.key) {441		return errServerKeyExchange442	}443	// Save the peer key for later.444	ka.peerKey = skx.key[4 : 4+publicLen]445	// Check the signature.446	serverECDHParams := skx.key[:4+publicLen]447	sig := skx.key[4+publicLen:]448	return ka.auth.verifyParameters(config, clientHello, serverHello, cert, serverECDHParams, sig)449}450func (ka *ecdheKeyAgreement) generateClientKeyExchange(config *Config, clientHello *clientHelloMsg, cert *x509.Certificate) ([]byte, *clientKeyExchangeMsg, error) {451	if ka.curve == nil {452		return nil, nil, errors.New("missing ServerKeyExchange message")453	}454	publicKey, preMasterSecret, err := ka.curve.accept(config.rand(), ka.peerKey)455	if err != nil {456		return nil, nil, err457	}458	ckx := new(clientKeyExchangeMsg)459	ckx.ciphertext = make([]byte, 1+len(publicKey))460	ckx.ciphertext[0] = byte(len(publicKey))461	copy(ckx.ciphertext[1:], publicKey)462	if config.Bugs.InvalidECDHPoint {463		ckx.ciphertext[1] ^= 0xff464	}465	return preMasterSecret, ckx, nil466}467func (ka *ecdheKeyAgreement) peerSignatureAlgorithm() signatureAlgorithm {468	if auth, ok := ka.auth.(*signedKeyAgreement); ok {469		return auth.peerSignatureAlgorithm470	}471	return 0472}473// nilKeyAgreement is a fake key agreement used to implement the plain PSK key474// exchange.475type nilKeyAgreement struct{}476func (ka *nilKeyAgreement) generateServerKeyExchange(config *Config, cert *Certificate, clientHello *clientHelloMsg, hello *serverHelloMsg) (*serverKeyExchangeMsg, error) {477	return nil, nil478}479func (ka *nilKeyAgreement) processClientKeyExchange(config *Config, cert *Certificate, ckx *clientKeyExchangeMsg, version uint16) ([]byte, error) {480	if len(ckx.ciphertext) != 0 {481		return nil, errClientKeyExchange482	}483	// Although in plain PSK, otherSecret is all zeros, the base key484	// agreement does not access to the length of the pre-shared485	// key. pskKeyAgreement instead interprets nil to mean to use all zeros486	// of the appropriate length.487	return nil, nil488}489func (ka *nilKeyAgreement) processServerKeyExchange(config *Config, clientHello *clientHelloMsg, serverHello *serverHelloMsg, cert *x509.Certificate, skx *serverKeyExchangeMsg) error {490	if len(skx.key) != 0 {491		return errServerKeyExchange492	}493	return nil494}495func (ka *nilKeyAgreement) generateClientKeyExchange(config *Config, clientHello *clientHelloMsg, cert *x509.Certificate) ([]byte, *clientKeyExchangeMsg, error) {496	// Although in plain PSK, otherSecret is all zeros, the base key497	// agreement does not access to the length of the pre-shared498	// key. pskKeyAgreement instead interprets nil to mean to use all zeros499	// of the appropriate length.500	return nil, &clientKeyExchangeMsg{}, nil501}502func (ka *nilKeyAgreement) peerSignatureAlgorithm() signatureAlgorithm {503	return 0504}505// makePSKPremaster formats a PSK pre-master secret based on otherSecret from506// the base key exchange and psk.507func makePSKPremaster(otherSecret, psk []byte) []byte {508	out := make([]byte, 0, 2+len(otherSecret)+2+len(psk))509	out = append(out, byte(len(otherSecret)>>8), byte(len(otherSecret)))510	out = append(out, otherSecret...)511	out = append(out, byte(len(psk)>>8), byte(len(psk)))512	out = append(out, psk...)513	return out514}515// pskKeyAgreement implements the PSK key agreement.516type pskKeyAgreement struct {517	base         keyAgreement518	identityHint string519}520func (ka *pskKeyAgreement) generateServerKeyExchange(config *Config, cert *Certificate, clientHello *clientHelloMsg, hello *serverHelloMsg) (*serverKeyExchangeMsg, error) {521	// Assemble the identity hint.522	bytes := make([]byte, 2+len(config.PreSharedKeyIdentity))523	bytes[0] = byte(len(config.PreSharedKeyIdentity) >> 8)524	bytes[1] = byte(len(config.PreSharedKeyIdentity))525	copy(bytes[2:], []byte(config.PreSharedKeyIdentity))526	// If there is one, append the base key agreement's527	// ServerKeyExchange.528	baseSkx, err := ka.base.generateServerKeyExchange(config, cert, clientHello, hello)529	if err != nil {530		return nil, err531	}532	if baseSkx != nil {533		bytes = append(bytes, baseSkx.key...)534	} else if config.PreSharedKeyIdentity == "" && !config.Bugs.AlwaysSendPreSharedKeyIdentityHint {535		// ServerKeyExchange is optional if the identity hint is empty536		// and there would otherwise be no ServerKeyExchange.537		return nil, nil538	}539	skx := new(serverKeyExchangeMsg)540	skx.key = bytes541	return skx, nil542}543func (ka *pskKeyAgreement) processClientKeyExchange(config *Config, cert *Certificate, ckx *clientKeyExchangeMsg, version uint16) ([]byte, error) {544	// First, process the PSK identity.545	if len(ckx.ciphertext) < 2 {546		return nil, errClientKeyExchange547	}548	identityLen := (int(ckx.ciphertext[0]) << 8) | int(ckx.ciphertext[1])549	if 2+identityLen > len(ckx.ciphertext) {550		return nil, errClientKeyExchange551	}552	identity := string(ckx.ciphertext[2 : 2+identityLen])553	if identity != config.PreSharedKeyIdentity {554		return nil, errors.New("tls: unexpected identity")555	}556	if config.PreSharedKey == nil {557		return nil, errors.New("tls: pre-shared key not configured")558	}559	// Process the remainder of the ClientKeyExchange to compute the base560	// pre-master secret.561	newCkx := new(clientKeyExchangeMsg)562	newCkx.ciphertext = ckx.ciphertext[2+identityLen:]563	otherSecret, err := ka.base.processClientKeyExchange(config, cert, newCkx, version)564	if err != nil {565		return nil, err566	}567	if otherSecret == nil {568		// Special-case for the plain PSK key exchanges.569		otherSecret = make([]byte, len(config.PreSharedKey))570	}571	return makePSKPremaster(otherSecret, config.PreSharedKey), nil572}573func (ka *pskKeyAgreement) processServerKeyExchange(config *Config, clientHello *clientHelloMsg, serverHello *serverHelloMsg, cert *x509.Certificate, skx *serverKeyExchangeMsg) error {574	if len(skx.key) < 2 {575		return errServerKeyExchange576	}577	identityLen := (int(skx.key[0]) << 8) | int(skx.key[1])578	if 2+identityLen > len(skx.key) {579		return errServerKeyExchange580	}581	ka.identityHint = string(skx.key[2 : 2+identityLen])582	// Process the remainder of the ServerKeyExchange.583	newSkx := new(serverKeyExchangeMsg)584	newSkx.key = skx.key[2+identityLen:]585	return ka.base.processServerKeyExchange(config, clientHello, serverHello, cert, newSkx)586}587func (ka *pskKeyAgreement) generateClientKeyExchange(config *Config, clientHello *clientHelloMsg, cert *x509.Certificate) ([]byte, *clientKeyExchangeMsg, error) {588	// The server only sends an identity hint but, for purposes of589	// test code, the server always sends the hint and it is590	// required to match.591	if ka.identityHint != config.PreSharedKeyIdentity {592		return nil, nil, errors.New("tls: unexpected identity")593	}594	// Serialize the identity.595	bytes := make([]byte, 2+len(config.PreSharedKeyIdentity))596	bytes[0] = byte(len(config.PreSharedKeyIdentity) >> 8)597	bytes[1] = byte(len(config.PreSharedKeyIdentity))598	copy(bytes[2:], []byte(config.PreSharedKeyIdentity))...

Len

Using AI Code Generation

12: import (26: type config struct {38: }410: func (c config) Len() int {511: return len(c.name)612: }714: func main() {815: c := config{"Golang"}916: fmt.Println(c.Len())1017: }111: func (s string) Len() int {122: return len(s)133: }

Len

Using AI Code Generation

1func main() {2    fmt.Println(config.Len())3}4func main() {5    fmt.Println(config.Len())6}7func main() {8    fmt.Println(config.Len())9}10func main() {11    fmt.Println(config.Len())12}13func main() {14    fmt.Println(config.Len())15}16func main() {17    fmt.Println(config.Len())18}19func main() {20    fmt.Println(config.Len())21}22func main() {23    fmt.Println(config.Len())24}25func main() {26    fmt.Println(config.Len())27}28func main() {29    fmt.Println(config.Len())30}31func main() {32    fmt.Println(config.Len())33}34func main() {35    fmt.Println(config.Len())36}37func main() {38    fmt.Println(config.Len())39}

Len

Using AI Code Generation

1import "fmt"2func main() {3    c := config{1, 2, 3, 4, 5}4    fmt.Println(c.Len())5}6import "fmt"7func main() {8    c := config{1, 2, 3, 4, 5}9    fmt.Println(c.Len())10}11import "fmt"12func main() {13    c := config{1, 2, 3, 4, 5}14    fmt.Println(c.Len())15}16import "fmt"17func main() {18    c := config{1, 2, 3, 4, 5}19    fmt.Println(c.Len())20}21import "fmt"22func main() {23    c := config{1, 2, 3, 4, 5}24    fmt.Println(c.Len())25}26import "fmt"27func main() {28    c := config{1, 2, 3, 4, 5}29    fmt.Println(c.Len())30}31import "fmt"32func main() {33    c := config{1, 2, 3, 4, 5}34    fmt.Println(c.Len())35}36import "fmt"37func main() {38    c := config{1, 2, 3, 4, 5}39    fmt.Println(c.Len())40}41import "fmt"42func main() {43    c := config{1, 2, 3, 4, 5}44    fmt.Println(c.Len())45}46import "fmt"47func main() {

Len

Using AI Code Generation

1func main() {2    c.Len()3}4func (c *config) Len() int {5}6func main() {7    c.Len()8}9func (c *config) Len() int {10}11func main() {12    c.Len()13}14func (c *config) Len() int {15}16func main() {17    c.Len()18}19func (c *config) Len() int {20}21func main() {22    c.Len()23}24func (c *config) Len() int {25}26func main() {27    c.Len()28}29func (c *config) Len() int {30}31func main() {32    c.Len()33}34func (c *config) Len() int {35}36func main() {37    c.Len()38}39func (c *config) Len() int {40}

Len

Using AI Code Generation

1func main() {2    var config = new(Config)3    config.Len()4}5func main() {6    var config = new(Config)7    config.Len()8}

Len

Using AI Code Generation

1import "fmt"2func main() {3  config = Config{1, "abc"}4  fmt.Println(config.Len())5}6import "fmt"7func main() {8  config := Config{1, "abc"}9  fmt.Println(config.Len())10}11import "fmt"12func main() {13  config := Config{1, "abc"}14  fmt.Println(config.Len())15}16import "fmt"17func main() {18  config := Config{1, "abc"}19  fmt.Println(config.Len())20}21import "fmt"22func main() {23  config := Config{1, "abc"}24  fmt.Println(config.Len())25}26import "fmt"27func main() {28  config := Config{1, "abc"}29  fmt.Println(config.Len())30}31import "fmt"32func main() {33  config := Config{1, "abc"}34  fmt.Println(config.Len())35}36import "fmt"37func main() {38  config := Config{1, "abc"}39  fmt.Println(config.Len())40}41import "fmt"42func main() {43  config := Config{1, "abc"}44  fmt.Println(config.Len())45}46import "fmt"47func main() {48  config := Config{1, "abc"}49  fmt.Println(config.Len())50}51import "fmt"52func main() {53  config := Config{1, "abc"}54  fmt.Println(config.Len())55}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.