const jsonStream = `{"Name": "Ed", "Text": "Knock knock."}`
type Message struct {
 Name, Text string
}
var m Message
dec := json.NewDecoder(strings.NewReader(jsonStream))
err := dec.Decode(&m)
if err != nil && err != io.EOF {
  // handle a possible error
}
fmt.Println(m.Name, m.Text)