gistfile1.go

x := map[string]{interface}{
  "blah": "foop",
  "shmerp": []interface{}{
    map[string]interface{}{
      "hey": 1,
      "yes": 2,
    },
    map[string]interface{}{
      "alpha": 3,
      "bravo": 4,
    },
  },
}

// Versus

func json2map(j string) map[string]interface{} {
  rslt := make(map[string]interface{})
  json.Unmarshal([]byte(j), &rslt)
  return rslt
}
x := json2map(`{
  "blah": "foop",
  "shmerp": [
    {
      "hey": 1,
      "yes": 2
    },
    {
      "alpha": 3,
      "bravo": 4
    }
  ]
}`)