promisify

1-js/11-async/08-async-await/03-async-from-regular/solution.md

@@ -0,0 +1,20 @@
+
+That's the case when knowing how it works inside is helpful.
+
+Just treat `async` call as promise and attach `.then` to it:
+```js run
+async function wait() {
+  await new Promise(resolve => setTimeout(resolve, 1000));
+
+  return 10;
+}
+
+function f() {
+  // shows 10 after 1 second
+*!*
+  wait().then(result => alert(result));
+*/!*
+}
+
+f();
+```