From b263e7d0de11b697a9383408acac9a23930a9827 Mon Sep 17 00:00:00 2001
From: IgorCielniak <igorcielniak.contact@gmail.com>
Date: Wed, 25 Mar 2026 10:10:14 +0100
Subject: [PATCH] added startswith and endswith

---
 stdlib/utils.sl | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/stdlib/utils.sl b/stdlib/utils.sl
index f6b868a..4f410f7 100644
--- a/stdlib/utils.sl
+++ b/stdlib/utils.sl
@@ -516,3 +516,14 @@ end
 word trim
     ltrim rtrim
 end
+
+# startswith [*, addr, len, addr | len] -> [*, bool]
+inline word startswith
+    strcmp
+end
+
+# endswith [*, addr, len, addr | len] -> [*, bool]
+word endswith
+    dup 3 pick swap - 4 pick + over 2 pick 4 pick swap strcmp
+    nip nip nip nip
+end