Fix

node_modules/shiki/samples/hack.sample

@@ -0,0 +1,23 @@
+<<__EntryPoint>>
+async function my_example(): Awaitable<void> {
+  $user_ids = vec[1, 2, 3];
+
+  // Initiate all the database requests together,
+  // so we spend less time waiting.
+  $user_names = await Vec\map_async(
+    $user_ids,
+    async ($id) ==> await fetch_user_name($id),
+  );
+  // Execution continues after requests complete.
+
+  echo Str\join($user_names, ", ");
+}
+
+async function fetch_user_name(
+  int $_,
+): Awaitable<string> {
+  // This could be a database request.
+  return "";
+}
+
+// From hacklang.org