let x = {"obj": obj};

let x = {"key": key, "keyTwo": keyTwo};

let x = {...x, "key": key};

let x = {...x, "key": key, "keyTwo": keyTwo};

type t = {. "x": int};

type t('a) = {.. "x": int} as 'a;

type t = {. "x": (int, int)};

type t('a) = {.. "x": (int, int)} as 'a;

let x = {"obj": 0};

let x = {"key": 0, "keyTwo": 1};

let x = {...x, "key": 0};

let x = {...x, "key": 0, "keyTwo": 1};

type t = {. "x": int};

type t('a) = {.. "x": int} as 'a;

type t = {. "x": (int, int)};

type t('a) = {.. "x": (int, int)} as 'a;