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- // Copyright 2012 The Go Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style
- // license that can be found in the LICENSE file.
- package main
- import (
- "encoding/json"
- "fmt"
- "log"
- "reflect"
- )
- func Decode() {
- b := []byte(`{"Name":"Wednesday","Age":6,"Parents":["Gomez","Morticia"]}`)
- var f interface{}
- err := json.Unmarshal(b, &f)
- // STOP OMIT
- if err != nil {
- panic(err)
- }
- expected := map[string]interface{}{
- "Name": "Wednesday",
- "Age": float64(6),
- "Parents": []interface{}{
- "Gomez",
- "Morticia",
- },
- }
- if !reflect.DeepEqual(f, expected) {
- log.Panicf("Error unmarshaling %q, expected %q, got %q", b, expected, f)
- }
- f = map[string]interface{}{
- "Name": "Wednesday",
- "Age": 6,
- "Parents": []interface{}{
- "Gomez",
- "Morticia",
- },
- }
- // STOP OMIT
- m := f.(map[string]interface{})
- for k, v := range m {
- switch vv := v.(type) {
- case string:
- fmt.Println(k, "is string", vv)
- case int:
- fmt.Println(k, "is int", vv)
- case []interface{}:
- fmt.Println(k, "is an array:")
- for i, u := range vv {
- fmt.Println(i, u)
- }
- default:
- fmt.Println(k, "is of a type I don't know how to handle")
- }
- }
- // STOP OMIT
- }
- func main() {
- Decode()
- }
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