From cf20680a6ee816370c145c74f59f3db0c3be26de Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Wed, 22 Jul 2026 02:23:03 +0000
Subject: [PATCH] Update `DIRECTORY.md`

---
 DIRECTORY.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/DIRECTORY.md b/DIRECTORY.md
index b76a233..e2bce98 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -1,5 +1,8 @@
 # Table of Contents
 
+## Data Structures
+- [Stack](data_structures/stack.jule)
+
 ## Math
 - [Abs](math/abs.jule)
 - [Ceil](math/ceil.jule)