I copy and paste, but error, how to fix?

[donhuvy]

I am learning. My environment: Windows 11 x64, Visual Studio Code, GoLand, Go lang 1.20.2 . I read ByteDance Sonic README.md at https://github.com/bytedance/sonic/blob/main/README.md#marshalunmarshal , then copy and paste. I have

File go.mod

module github.com/donhuvy/vy_learn_sonic

go 1.20

require github.com/bytedance/sonic v1.8.6

require (
	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
	golang.org/x/arch v0.3.0 // indirect
	golang.org/x/sys v0.6.0 // indirect
)

File main.go

package main

import "github.com/bytedance/sonic"

var data YourSchema
// Marshal
output, err := sonic.Marshal(&data)
// Unmarshal
err := sonic.Unmarshal(output, &data)

Second error: Just copy and paste, but error

How to fix these errors?

[ii64]

It's a code snippet, you can take a look at this example for a complete one - basically just like encoding/json:

// You can edit this code!
// Click here and start typing.
package main

import (
	"fmt"

	"github.com/bytedance/sonic"
)

// Your schema example
type MySchema struct {
	Name string `json:"name"`
	Age  int    `json:"age,string"`
}

func main() {

	data := []*MySchema{
		{"Foo", 20},
		{"Bar", 21},
		{"Baz", 22},
	}

	jsonData, err := sonic.Marshal(&data)
	if err != nil {
		// handle error, but in this case we are just going to throw it with panic
		panic(err)
	}

	fmt.Println(string(jsonData))
}

[donhuvy]

It works!

[donhuvy]

Help me fix this error with unmarshall (I am newbie)

package main

import (
	"fmt"

	"github.com/bytedance/sonic"
)

// Friend schema example.
type Friend struct {
	Name string `json:"name"`
	Age  int    `json:"age,string"`
}

func main() {
	vyFriends := []*Friend{
		{"Nguyen Bich Van", 36},
		{"Nguyen Tien Nam", 36},
		{"Tran Phuong Ly", 29},
	}
	jsonData, err := sonic.Marshal(&vyFriends)
	if err != nil {
		// Handle error, but in this case we are just going to throw it with panic.
		panic(err)
	}
	fmt.Println(string(jsonData))

	err2 := sonic.Unmarshal(jsonData, &Friend)
	fmt.Println(err2)
}

[ii64]

You need to pass a variable (a pointer of it), Friend is a struct type. You can do:

err2 := sonic.Unmarshal(jsonData, &vyFriends)