How to use Stop method of json Package

Best K6 code snippet using json.Stop

stop_order.go

Source:stop_order.go Github

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...12 "github.com/tomochain/tomox-sdk/errors"13 "github.com/tomochain/tomox-sdk/utils/math"14)15const (16 TypeStopMarketOrder = "SMO"17 TypeStopLimitOrder = "SLO"18 StopOrderStatusOpen = "OPEN"19 StopOrderStatusDone = "DONE"20 StopOrderStatusCancelled = "CANCELLED"21)22type StopOrder struct {23 ID bson.ObjectId `json:"id" bson:"_id"`24 UserAddress common.Address `json:"userAddress" bson:"userAddress"`25 ExchangeAddress common.Address `json:"exchangeAddress" bson:"exchangeAddress"`26 BaseToken common.Address `json:"baseToken" bson:"baseToken"`27 QuoteToken common.Address `json:"quoteToken" bson:"quoteToken"`28 Status string `json:"status" bson:"status"`29 Side string `json:"side" bson:"side"`30 Type string `json:"type" bson:"type"`31 Hash common.Hash `json:"hash" bson:"hash"`32 Signature *Signature `json:"signature,omitempty" bson:"signature"`33 StopPrice *big.Int `json:"stopPrice" bson:"stopPrice"`34 LimitPrice *big.Int `json:"limitPrice" bson:"limitPrice"`35 Direction int `json:"direction" bson:"direction"`36 Amount *big.Int `json:"amount" bson:"amount"`37 FilledAmount *big.Int `json:"filledAmount" bson:"filledAmount"`38 Nonce *big.Int `json:"nonce" bson:"nonce"`39 PairName string `json:"pairName" bson:"pairName"`40 CreatedAt time.Time `json:"createdAt" bson:"createdAt"`41 UpdatedAt time.Time `json:"updatedAt" bson:"updatedAt"`42}43// MarshalJSON implements the json.Marshal interface44func (so *StopOrder) MarshalJSON() ([]byte, error) {45 order := map[string]interface{}{46 "exchangeAddress": so.ExchangeAddress,47 "userAddress": so.UserAddress,48 "baseToken": so.BaseToken,49 "quoteToken": so.QuoteToken,50 "side": so.Side,51 "type": so.Type,52 "status": so.Status,53 "pairName": so.PairName,54 "amount": so.Amount.String(),55 "stopPrice": so.StopPrice.String(),56 "limitPrice": so.LimitPrice.String(),57 "direction": strconv.Itoa(so.Direction),58 "createdAt": so.CreatedAt.Format(time.RFC3339Nano),59 "updatedAt": so.UpdatedAt.Format(time.RFC3339Nano),60 }61 if so.FilledAmount != nil {62 order["filledAmount"] = so.FilledAmount.String()63 }64 if so.Hash.Hex() != "" {65 order["hash"] = so.Hash.Hex()66 }67 if so.Nonce != nil {68 order["nonce"] = so.Nonce.String()69 }70 if so.Signature != nil {71 order["signature"] = map[string]interface{}{72 "V": so.Signature.V,73 "R": so.Signature.R,74 "S": so.Signature.S,75 }76 }77 return json.Marshal(order)78}79// UnmarshalJSON : write custom logic to unmarshal bytes to StopOrder80func (so *StopOrder) UnmarshalJSON(b []byte) error {81 order := map[string]interface{}{}82 err := json.Unmarshal(b, &order)83 if err != nil {84 return err85 }86 if order["id"] != nil && bson.IsObjectIdHex(order["id"].(string)) {87 so.ID = bson.ObjectIdHex(order["id"].(string))88 }89 if order["pairName"] != nil {90 so.PairName = order["pairName"].(string)91 }92 if order["exchangeAddress"] != nil {93 so.ExchangeAddress = common.HexToAddress(order["exchangeAddress"].(string))94 }95 if order["userAddress"] != nil {96 so.UserAddress = common.HexToAddress(order["userAddress"].(string))97 }98 if order["baseToken"] != nil {99 so.BaseToken = common.HexToAddress(order["baseToken"].(string))100 }101 if order["quoteToken"] != nil {102 so.QuoteToken = common.HexToAddress(order["quoteToken"].(string))103 }104 if order["stopPrice"] != nil {105 so.StopPrice = math.ToBigInt(order["stopPrice"].(string))106 }107 if order["limitPrice"] != nil {108 so.LimitPrice = math.ToBigInt(order["limitPrice"].(string))109 }110 if order["direction"] != nil {111 if direction, err := strconv.Atoi(order["direction"].(string)); err == nil {112 so.Direction = direction113 } else {114 return errors.New("Direction parameter is not an integer.")115 }116 }117 if order["amount"] != nil {118 so.Amount = math.ToBigInt(order["amount"].(string))119 }120 if order["filledAmount"] != nil {121 so.FilledAmount = math.ToBigInt(order["filledAmount"].(string))122 }123 if order["nonce"] != nil {124 so.Nonce = math.ToBigInt(order["nonce"].(string))125 }126 if order["hash"] != nil {127 so.Hash = common.HexToHash(order["hash"].(string))128 }129 if order["side"] != nil {130 so.Side = order["side"].(string)131 }132 if order["type"] != nil {133 so.Type = order["type"].(string)134 }135 if order["status"] != nil {136 so.Status = order["status"].(string)137 }138 if order["signature"] != nil {139 signature := order["signature"].(map[string]interface{})140 so.Signature = &Signature{141 V: byte(signature["V"].(float64)),142 R: common.HexToHash(signature["R"].(string)),143 S: common.HexToHash(signature["S"].(string)),144 }145 }146 if order["createdAt"] != nil {147 t, _ := time.Parse(time.RFC3339Nano, order["createdAt"].(string))148 so.CreatedAt = t149 }150 if order["updatedAt"] != nil {151 t, _ := time.Parse(time.RFC3339Nano, order["updatedAt"].(string))152 so.UpdatedAt = t153 }154 return nil155}156func (so *StopOrder) GetBSON() (interface{}, error) {157 or := StopOrderRecord{158 PairName: so.PairName,159 ExchangeAddress: so.ExchangeAddress.Hex(),160 UserAddress: so.UserAddress.Hex(),161 BaseToken: so.BaseToken.Hex(),162 QuoteToken: so.QuoteToken.Hex(),163 Status: so.Status,164 Side: so.Side,165 Type: so.Type,166 Hash: so.Hash.Hex(),167 Amount: so.Amount.String(),168 StopPrice: so.StopPrice.String(),169 LimitPrice: so.LimitPrice.String(),170 Direction: so.Direction,171 Nonce: so.Nonce.String(),172 CreatedAt: so.CreatedAt,173 UpdatedAt: so.UpdatedAt,174 }175 if so.ID.Hex() == "" {176 or.ID = bson.NewObjectId()177 } else {178 or.ID = so.ID179 }180 if so.FilledAmount != nil {181 or.FilledAmount = so.FilledAmount.String()182 }183 if so.Signature != nil {184 or.Signature = &SignatureRecord{185 V: so.Signature.V,186 R: so.Signature.R.Hex(),187 S: so.Signature.S.Hex(),188 }189 }190 return or, nil191}192func (so *StopOrder) SetBSON(raw bson.Raw) error {193 decoded := new(struct {194 ID bson.ObjectId `json:"id,omitempty" bson:"_id"`195 PairName string `json:"pairName" bson:"pairName"`196 ExchangeAddress string `json:"exchangeAddress" bson:"exchangeAddress"`197 UserAddress string `json:"userAddress" bson:"userAddress"`198 BaseToken string `json:"baseToken" bson:"baseToken"`199 QuoteToken string `json:"quoteToken" bson:"quoteToken"`200 Status string `json:"status" bson:"status"`201 Side string `json:"side" bson:"side"`202 Type string `json:"type" bson:"type"`203 Hash string `json:"hash" bson:"hash"`204 StopPrice string `json:"stopPrice" bson:"stopPrice"`205 LimitPrice string `json:"limitPrice" bson:"limitPrice"`206 Direction int `json:"direction" bson:"direction"`207 Amount string `json:"amount" bson:"amount"`208 FilledAmount string `json:"filledAmount" bson:"filledAmount"`209 Nonce string `json:"nonce" bson:"nonce"`210 Signature *SignatureRecord `json:"signature" bson:"signature"`211 CreatedAt time.Time `json:"createdAt" bson:"createdAt"`212 UpdatedAt time.Time `json:"updatedAt" bson:"updatedAt"`213 })214 err := raw.Unmarshal(decoded)215 if err != nil {216 logger.Error(err)217 return err218 }219 so.ID = decoded.ID220 so.PairName = decoded.PairName221 so.ExchangeAddress = common.HexToAddress(decoded.ExchangeAddress)222 so.UserAddress = common.HexToAddress(decoded.UserAddress)223 so.BaseToken = common.HexToAddress(decoded.BaseToken)224 so.QuoteToken = common.HexToAddress(decoded.QuoteToken)225 so.FilledAmount = math.ToBigInt(decoded.FilledAmount)226 so.Nonce = math.ToBigInt(decoded.Nonce)227 so.Status = decoded.Status228 so.Side = decoded.Side229 so.Type = decoded.Type230 so.Hash = common.HexToHash(decoded.Hash)231 if decoded.Amount != "" {232 so.Amount = math.ToBigInt(decoded.Amount)233 }234 if decoded.FilledAmount != "" {235 so.FilledAmount = math.ToBigInt(decoded.FilledAmount)236 }237 if decoded.StopPrice != "" {238 so.StopPrice = math.ToBigInt(decoded.StopPrice)239 }240 if decoded.LimitPrice != "" {241 so.LimitPrice = math.ToBigInt(decoded.LimitPrice)242 }243 so.Direction = decoded.Direction244 if decoded.Signature != nil {245 so.Signature = &Signature{246 V: byte(decoded.Signature.V),247 R: common.HexToHash(decoded.Signature.R),248 S: common.HexToHash(decoded.Signature.S),249 }250 }251 so.CreatedAt = decoded.CreatedAt252 so.UpdatedAt = decoded.UpdatedAt253 return nil254}255// ToOrder converts a stop order to a real order that will be pushed to TomoX256func (so *StopOrder) ToOrder() (*Order, error) {257 var o *Order258 switch so.Type {259 case TypeStopMarketOrder:260 o = &Order{261 UserAddress: so.UserAddress,262 ExchangeAddress: so.ExchangeAddress,263 BaseToken: so.BaseToken,264 QuoteToken: so.QuoteToken,265 Status: OrderStatusOpen,266 Side: so.Side,267 Type: TypeMarketOrder,268 Hash: so.Hash,269 Signature: so.Signature,270 PricePoint: so.StopPrice,271 Amount: so.Amount,272 FilledAmount: big.NewInt(0),273 Nonce: so.Nonce,274 PairName: so.PairName,275 }276 break277 case TypeStopLimitOrder:278 o = &Order{279 UserAddress: so.UserAddress,280 ExchangeAddress: so.ExchangeAddress,281 BaseToken: so.BaseToken,282 QuoteToken: so.QuoteToken,283 Status: OrderStatusOpen,284 Side: so.Side,285 Type: TypeLimitOrder,286 Hash: so.Hash,287 Signature: so.Signature,288 PricePoint: so.LimitPrice,289 Amount: so.Amount,290 FilledAmount: big.NewInt(0),291 Nonce: so.Nonce,292 PairName: so.PairName,293 }294 break295 default:296 return nil, errors.New("Unknown stop order type")297 }298 return o, nil299}300// TODO: Verify userAddress, baseToken, quoteToken, etc. conditions are working301func (so *StopOrder) Validate() error {302 if so.ExchangeAddress != common.HexToAddress(app.Config.Tomochain["exchange_address"]) {303 return errors.New("Order 'exchangeAddress' parameter is incorrect")304 }305 if (so.UserAddress == common.Address{}) {306 return errors.New("Order 'userAddress' parameter is required")307 }308 if so.Nonce == nil {309 return errors.New("Order 'nonce' parameter is required")310 }311 if (so.BaseToken == common.Address{}) {312 return errors.New("Order 'baseToken' parameter is required")313 }314 if (so.QuoteToken == common.Address{}) {315 return errors.New("Order 'quoteToken' parameter is required")316 }317 if so.Amount == nil {318 return errors.New("Order 'amount' parameter is required")319 }320 if so.StopPrice == nil {321 return errors.New("Order 'stopPrice' parameter is required")322 }323 if so.Side != BUY && so.Side != SELL {324 return errors.New("Order 'side' should be 'SELL' or 'BUY', but got: '" + so.Side + "'")325 }326 if so.Signature == nil {327 return errors.New("Order 'signature' parameter is required")328 }329 if math.IsSmallerThan(so.Nonce, big.NewInt(0)) {330 return errors.New("Order 'nonce' parameter should be positive")331 }332 if math.IsEqualOrSmallerThan(so.Amount, big.NewInt(0)) {333 return errors.New("Order 'amount' parameter should be strictly positive")334 }335 if math.IsEqualOrSmallerThan(so.StopPrice, big.NewInt(0)) {336 return errors.New("Order 'stopPrice' parameter should be strictly positive")337 }338 valid, err := so.VerifySignature()339 if err != nil {340 return err341 }342 if !valid {343 return errors.New("Order 'signature' parameter is invalid")344 }345 return nil346}347// ComputeHash calculates the orderRequest hash348func (so *StopOrder) ComputeHash() common.Hash {349 sha := sha3.NewKeccak256()350 sha.Write(so.ExchangeAddress.Bytes())351 sha.Write(so.UserAddress.Bytes())352 sha.Write(so.BaseToken.Bytes())353 sha.Write(so.QuoteToken.Bytes())354 sha.Write(common.BigToHash(so.Amount).Bytes())355 sha.Write(common.BigToHash(so.StopPrice).Bytes())356 sha.Write(common.BigToHash(so.EncodedSide()).Bytes())357 sha.Write(common.BigToHash(so.Nonce).Bytes())358 return common.BytesToHash(sha.Sum(nil))359}360// VerifySignature checks that the orderRequest signature corresponds to the address in the userAddress field361func (so *StopOrder) VerifySignature() (bool, error) {362 so.Hash = so.ComputeHash()363 message := crypto.Keccak256(364 []byte("\x19Ethereum Signed Message:\n32"),365 so.Hash.Bytes(),366 )367 address, err := so.Signature.Verify(common.BytesToHash(message))368 if err != nil {369 return false, err370 }371 if address != so.UserAddress {372 return false, errors.New("Recovered address is incorrect")373 }374 return true, nil375}376func (so *StopOrder) Process(p *Pair) error {377 if so.FilledAmount == nil {378 so.FilledAmount = big.NewInt(0)379 }380 // TODO: Handle this in Validate function381 if so.Type != TypeStopMarketOrder && so.Type != TypeStopLimitOrder {382 so.Type = TypeStopLimitOrder383 }384 so.PairName = p.Name()385 so.CreatedAt = time.Now()386 so.UpdatedAt = time.Now()387 return nil388}389func (so *StopOrder) QuoteAmount(p *Pair) *big.Int {390 pairMultiplier := p.PairMultiplier()391 return math.Div(math.Mul(so.Amount, so.StopPrice), pairMultiplier)392}393//TODO handle error case ?394func (so *StopOrder) EncodedSide() *big.Int {395 if so.Side == BUY {396 return big.NewInt(0)397 } else {398 return big.NewInt(1)399 }400}401func (so *StopOrder) PairCode() (string, error) {402 if so.PairName == "" {403 return "", errors.New("Pair name is required")404 }405 return so.PairName + "::" + so.BaseToken.Hex() + "::" + so.QuoteToken.Hex(), nil406}407// StopOrderRecord is the object that will be saved in the database408type StopOrderRecord struct {409 ID bson.ObjectId `json:"id" bson:"_id"`410 UserAddress string `json:"userAddress" bson:"userAddress"`411 ExchangeAddress string `json:"exchangeAddress" bson:"exchangeAddress"`412 BaseToken string `json:"baseToken" bson:"baseToken"`413 QuoteToken string `json:"quoteToken" bson:"quoteToken"`414 Status string `json:"status" bson:"status"`415 Side string `json:"side" bson:"side"`416 Type string `json:"type" bson:"type"`417 Hash string `json:"hash" bson:"hash"`418 StopPrice string `json:"stopPrice" bson:"stopPrice"`419 LimitPrice string `json:"limitPrice" bson:"limitPrice"`420 Direction int `json:"direction" bson:"direction"`421 Amount string `json:"amount" bson:"amount"`422 FilledAmount string `json:"filledAmount" bson:"filledAmount"`423 Nonce string `json:"nonce" bson:"nonce"`424 Signature *SignatureRecord `json:"signature,omitempty" bson:"signature"`425 PairName string `json:"pairName" bson:"pairName"`426 CreatedAt time.Time `json:"createdAt" bson:"createdAt"`427 UpdatedAt time.Time `json:"updatedAt" bson:"updatedAt"`428}429type StopOrderBSONUpdate struct {430 *StopOrder431}432func (o StopOrderBSONUpdate) GetBSON() (interface{}, error) {433 now := time.Now()434 set := bson.M{435 "pairName": o.PairName,436 "exchangeAddress": o.ExchangeAddress.Hex(),437 "userAddress": o.UserAddress.Hex(),438 "baseToken": o.BaseToken.Hex(),439 "quoteToken": o.QuoteToken.Hex(),440 "status": o.Status,441 "side": o.Side,442 "type": o.Type,443 "stopPrice": o.StopPrice.String(),444 "limitPrice": o.LimitPrice.String(),445 "direction": o.Direction,446 "amount": o.Amount.String(),447 "nonce": o.Nonce.String(),448 "updatedAt": now,449 }450 if o.FilledAmount != nil {451 set["filledAmount"] = o.FilledAmount.String()452 }453 if o.Signature != nil {454 set["signature"] = bson.M{455 "V": o.Signature.V,456 "R": o.Signature.R.Hex(),457 "S": o.Signature.S.Hex(),...

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stop.go

Source:stop.go Github

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...7)8type stopOptions struct {9 jsonOutput bool10}11// NewStopCommand creates a command that can stop a remote machine.12func NewStopCommand(c *cli.CLI) *cobra.Command {13 opts := &stopOptions{}14 cmd := &cobra.Command{15 Use: "stop <machine-identifier>",16 Short: "Stop remote machine",17 RunE: stopCommand(c, opts),18 }19 // Flags.20 flags := cmd.Flags()21 flags.BoolVar(&opts.jsonOutput, "json", false, "output in JSON format")22 // Middlewares.23 cli.MultiCobraCmdMiddleware(24 cli.DaemonRequired, // Deamon service is required.25 cli.ExactArgs(1), // One argument is required.26 )(c, cmd)27 return cmd28}29func stopCommand(c *cli.CLI, opts *stopOptions) cli.CobraFuncE {30 return func(cmd *cobra.Command, args []string) error {31 event, err := machine.Stop(&machine.StopOptions{32 Identifier: args[0],33 AskList: cli.AskList(c, cmd),34 })35 if err != nil {36 return err37 }38 for e := range machine.Wait(event) {39 if e.Error != nil {40 err = e.Error41 }42 if opts.jsonOutput {43 cli.PrintJSON(c.Out(), e)44 } else {45 fmt.Fprintf(c.Out(), "[%d%%] %s\n", e.Event.Percentage, e.Event.Message)...

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1import (2type Response1 struct {3}4func main() {5 bolB, _ := json.Marshal(true)6 fmt.Println(string(bolB))7 intB, _ := json.Marshal(1)8 fmt.Println(string(intB))9 fltB, _ := json.Marshal(2.34)10 fmt.Println(string(fltB))11 strB, _ := json.Marshal("gopher")12 fmt.Println(string(strB))13 slcD := []string{"apple", "peach", "pear"}14 slcB, _ := json.Marshal(slcD)15 fmt.Println(string(slcB))16 mapD := map[string]int{"apple": 5, "lettuce": 7}17 mapB, _ := json.Marshal(mapD)18 fmt.Println(string(mapB))19 res1D := &Response1{20 Fruits: []string{"apple", "peach", "pear"}}21 res1B, _ := json.Marshal(res1D)22 fmt.Println(string(res1B))23 byt := []byte(`{"num":6.13,"strs":["a","b"]}`)24 var dat map[string]interface{}25 if err := json.Unmarshal(byt, &dat); err != nil {26 panic(err)27 }28 fmt.Println(dat)29 num := dat["num"].(float64)30 fmt.Println(num)31 strs := dat["strs"].([]interface{})32 str1 := strs[0].(string)33 fmt.Println(str1)34 str := `{"page": 1, "fruits": ["apple", "peach"]}`35 res := Response1{}36 json.Unmarshal([]byte(str), &res)37 fmt.Println(res)38 fmt.Println(res.Fruits[0])39 enc := json.NewEncoder(os.Stdout)40 d := map[string]int{"apple": 5, "lettuce": 7}41 enc.Encode(d)42}43{"apple":5,"lettuce":7}44{"Page":1,"Fruits":["apple","peach","pear"]}45{1 [apple peach]}46{"apple":5,"lettuce":7}47Go: json.Marshal() and json.Unmarshal()48Go: json.NewEncoder() and json.NewDecoder()

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Stop

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1import (2type Person struct {3}4func main() {5 data, err := json.Marshal(person)6 if err != nil {7 log.Fatal(err)8 }9 err = ioutil.WriteFile("person.json", data, 0644)10 if err != nil {11 log.Fatal(err)12 }13 fmt.Println("Data written to file")14}15import (16type Person struct {17}18func main() {19 data, err := json.MarshalIndent(person, "", " ")20 if err != nil {21 log.Fatal(err)22 }23 err = ioutil.WriteFile("person.json", data, 0644)24 if err != nil {25 log.Fatal(err)26 }27 fmt.Println("Data written to file")28}29import (30type Person struct {31}32func main() {33 data, err := json.MarshalIndent(person, "", " ")34 if err != nil {35 log.Fatal(err)36 }37 err = ioutil.WriteFile("person.json", data, 0644)38 if err != nil {39 log.Fatal(err)40 }41 fmt.Println("Data written to file")42}43import (44type Person struct {45}

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1import (2func main() {3 encoder := json.NewEncoder(os.Stdout)4 encoder.Encode(map[string]int{"one": 1, "two": 2})5 encoder.Encode([]string{"one", "two"})6 encoder.Encode("Hello, World!")7 encoder.Encode(123)8 encoder.Encode(true)9 encoder.Encode(nil)10 fmt.Println()11 encoder.Stop()12 encoder.Encode(map[string]int{"one": 1, "two": 2})13}14{"one":1,"two":2}15main.main()16runtime.park(0x41b7d0, 0x4d8c60, 0x4d1c1d)17runtime.parkunlock(0x4d8c60, 0x4d1c1d)18runfinq()19runtime.goexit()20os/signal.loop()21runtime.Gosched()22main.main()23runtime.Gosched()24main.main()

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1import (2type User struct {3}4func main() {5 encoder := json.NewEncoder(os.Stdout)6 encoder.SetIndent("", " ")7 encoder.Encode(User{Name: "John"})8 encoder.Stop()9 encoder.Encode(User{Name: "Jane"})10}11{12}13main.main()14import (15type User struct {16}17func main() {18 encoder := json.NewEncoder(os.Stdout)19 encoder.SetIndent("", " ")20 encoder.Encode(User{Name: "John"})21 encoder.Stop()22 encoder.Encode(User{Name: "Jane"})23}24{25}26main.main()27import (28type User struct {29}30func main() {31 encoder := json.NewEncoder(os.Stdout)32 encoder.SetIndent("", " ")33 encoder.Encode(User{Name: "John"})34 encoder.Stop()35 encoder.Encode(User{Name: "Jane"})36}37{38}39main.main()40import (41type User struct {42}

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1import (2func main() {3 var (4 fmt.Println("Enter name:")5 fmt.Scan(&name)6 fmt.Println("Enter age:")7 fmt.Scan(&age)8 m := map[string]interface{}{9 }10 enc := json.NewEncoder(os.Stdout)11 enc.SetIndent("", "\t")12 if err := enc.Encode(m); err != nil {13 fmt.Println("Error in encoding json", err)14 }15 enc.Stop()16}17{18}19import (20func main() {21 var (22 fmt.Println("Enter name:")23 fmt.Scan(&name)24 fmt.Println("Enter age:")25 fmt.Scan(&age)26 m := map[string]interface{}{27 }28 enc := json.NewEncoder(os.Stdout)29 enc.SetIndent("", "\t")30 if err := enc.Encode(m); err != nil {31 fmt.Println("Error in encoding json", err)32 }33 t, err := enc.Token()34 if err != nil {35 fmt.Println("Error in getting token", err)36 }37 fmt.Println(t)38}39{40}41import (42func main() {43 var (

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1import (2func main() {3 decoder := json.NewDecoder(os.Stdin)4 stop := make(chan bool)5 tokens := make(chan json.Token)6 errors := make(chan error)7 go func() {8 for {9 token, err := decoder.Token()10 switch {11 fmt.Println("End of JSON input")12 fmt.Println("Error:", err)13 fmt.Printf("%T: %v14 }15 }16 }()17 select {18 fmt.Println("Stop")19 fmt.Println("Error:", err)20 fmt.Printf("%T: %v21 }22}23import (24func main() {25 decoder := json.NewDecoder(os.Stdin)26 stop := make(chan bool)27 tokens := make(chan json.Token)28 errors := make(chan error)29 go func() {30 for {31 token, err := decoder.Token()32 switch {33 fmt.Println("End of JSON input")34 fmt.Println("Error:", err)35 fmt.Printf("%T: %v36 }37 }38 }()

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1import (2func main() {3 data := []byte(`{"id": 1, "name": "John", "age": 30}`)4 decoder := json.NewDecoder()5 var result map[string]interface{}6 err := decoder.Decode(data, &result)7 if err != nil {8 fmt.Println(err)9 }10 fmt.Println(result)11}

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1import (2func main() {3 str := []byte(`{"id":1,"name":"John"}`)4 ch := make(chan struct{})5 decoder := json.NewDecoder(json.NewTokenReader(json.NewDecoder(str)))6 var m map[string]interface{}7 go func() {8 err := decoder.Decode(&m)9 if err != nil {10 fmt.Println("Error:", err)11 }12 close(ch)13 }()14 decoder.Stop()15 fmt.Println("Decoding stopped")16}17Related posts: Golang | json.NewDecoder() method Golang | json.NewEncoder() method Golang | json.Encoder.Encode() method Golang | json.Decoder.Decode() method Golang | json.MarshalIndent() method Golang | json.Marshal() method Golang | json.Unmarshal() method Golang | json.Unmarshaler interface Golang | json.Marshaler interface Golang | json.Valid() method

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1import "encoding/json"2import "fmt"3import "io/ioutil"4type Student struct {5}6func main() {7 students := []Student{8 Student{"A", 10, 1},9 Student{"B", 20, 2},10 Student{"C", 30, 3},11 }12 data, _ := json.Marshal(students)13 ioutil.WriteFile("1.json", data, 0644)14 data, _ = ioutil.ReadFile("1.json")15 json.Unmarshal(data, &students2)16 fmt.Println(students2)17}18import "encoding/json"19import "fmt"20import "io/ioutil"21type Student struct {22}23func main() {24 students := []Student{25 Student{"A", 10, 1},26 Student{"B", 20, 2},27 Student{"C", 30, 3},28 }29 data, _ := json.Marshal(students)30 ioutil.WriteFile("2.json", data, 0644)31 data, _ = ioutil.ReadFile("2.json")32 json.Unmarshal(data, &students2)33 fmt.Println(students2)34}35import "encoding/json"36import "fmt"37import "io/ioutil"38type Student struct {39}40func main() {41 students := []Student{42 Student{"A", 10, 1},43 Student{"B", 20, 2},44 Student{"C", 30, 3},45 }46 data, _ := json.Marshal(students)47 ioutil.WriteFile("3.json", data, 0644)48 data, _ = ioutil.ReadFile("3.json")49 json.Unmarshal(data, &students2)50 fmt.Println(students2)51}52import "encoding/json"53import "fmt"54import "io/ioutil"55type Student struct {

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1import (2func main() {3 jsonFile, err := os.Open("test.json")4 if err != nil {5 fmt.Println(err)6 }7 defer jsonFile.Close()8 decoder := json.NewDecoder(jsonFile)9 decoder.Stop()10 for {11 var data map[string]interface{}12 err := decoder.Decode(&data)13 if err == io.EOF {14 }15 if err != nil {16 fmt.Println(err)17 }18 fmt.Println(data)19 }20}21Recommended Posts: Go | json.NewDecoder() method22Go | json.NewEncoder() method23Go | json.Decode() method24Go | json.Encode() method25Go | json.Unmarshal() method26Go | json.Marshal() method27Go | json.HTMLEscape() method28Go | json.Indent() method29Go | json.Valid() method30Go | json.Number() method31Go | json.RawMessage() method32Go | json.MarshalIndent() method33Go | json.UnmarshalField() method34Go | json.Marshaler() method35Go | json.Unmarshaler() method

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