​

(async () => {

​

// -------------------------------------------------------------

  log('--- 1 ---')

​

  await sweeten(10)

  ((n) => n / 2)

  ((n) => n * 3)

  (log)

  ;

// -------------------------------------------------------------

  log('--- 2 ---')

​

  var a = sweeten('a');

  var b = sweeten('b');

  a(b)(log); // a() also accepts thenable! (not Promise/A+ compliant)

  a("not a thenable")(logError); // and ignores other values, as Promise/A+ does

​

  await a; // you can still await for a sweeten promise, because it is a thenable!

// -------------------------------------------------------------

})();

​

​

// --- Helpers ---

​

function log(m) {

  out.innerHTML += JSON.stringify(m) + '\n';

  return m;

}

​

function logError(e) {

  out.innerHTML += '<b class="error" style="color:red">' + JSON.stringify(e) + '</b>\n';

  return m;

}

​