go_json_struct.go

import (
    "encoding/json"
    "strings"
)

type S struct {
    Id int `json:"id"`
}

func (s *S) FromJsonString(in_string string) {
    err := json.Unmarshal([]byte(strings.TrimSpace(in_string)), s)
    if err != nil {
        log.Fatal("Error decoding json string")
    }
}

type S_msg struct {
    S
    Params interface{} `json:"params"`
    Method string `json:"method"`
}

type S_msg2 struct {
    S
    Result interface{} `json:"result"`
}