Update src/Psl/Iter/last_key_opt.php

Co-authored-by: Saif Eddin Gmati <29315886+azjezz@users.noreply.github.com>
simPod · Apr 27, 2024 · 3b76a9b · 3b76a9b
1 parent bf0207b
commit 3b76a9b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Psl/Iter/last_key_opt.php b/src/Psl/Iter/last_key_opt.php
@@ -17,7 +17,7 @@
  *
  * @return Option<Tk>
  */
-function last_key_opt(iterable $iterable)
+function last_key_opt(iterable $iterable): Option
 {
     $last = Option::none();
     foreach ($iterable as $k => $_) {