golang 将切片转成string类型

import (
   "encoding/json"
   "fmt"
)

var a []string
a = ["s","d","f"]
b, err := json.Marshal(a)
if err != nil {
    
    
	panic(err)
}
result := string(b)
fmt.Println(result)

以上是将切片a转成字符串result