1 files changed, 45 insertions, 0 deletions
diff --git a/doc/progs/json4.go b/doc/progs/json4.go
new file mode 100644
index 000000000..492630220
--- /dev/null
+++ b/doc/progs/json4.go
@@ -0,0 +1,45 @@
+// 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"
+	"log"
+	"reflect"
+)
+
+type FamilyMember struct {
+	Name    string
+	Age     int
+	Parents []string
+}
+
+// STOP OMIT
+
+func Decode() {
+	b := []byte(`{"Name":"Bob","Age":20,"Parents":["Morticia", "Gomez"]}`)
+	var m FamilyMember
+	err := json.Unmarshal(b, &m)
+
+	// STOP OMIT
+
+	if err != nil {
+		panic(err)
+	}
+
+	expected := FamilyMember{
+		Name:    "Bob",
+		Age:     20,
+		Parents: []string{"Morticia", "Gomez"},
+	}
+
+	if !reflect.DeepEqual(expected, m) {
+		log.Panicf("Error unmarshalling %q, expected %q, got %q", b, expected, m)
+	}
+}
+
+func main() {
+	Decode()
+}