mquery === ```go import mquery var m = map[string]interface{}{ "foo": "bar", "hoge": map[string]interface{}{ "name": "otiai10", }, "fuga": map[int]map[string]interface{}{ 0: {"greet": "Hello"}, 1: {"greet": "こんにちは"}, }, "langs": []string{"Go", "JavaScript", "English"}, "baz": nil, "required": false, } func main() { fmt.Println( Query(m, "foo"), // "bar" Query(m, "hoge.name"), // "otiai10" Query(m, "fuga.0.greet"), // "Hello" Query(m, "langs.2"), // "English" Query(m, "required"), // false Query(m, "baz.biz"), // nil ) } ```