From f7defd37174e160b66fec01a53f2be56eb530ecd Mon Sep 17 00:00:00 2001
From: AlexCodesApps <141887614+AlexCodesApps@users.noreply.github.com>
Date: Mon, 16 Dec 2024 23:07:32 +0100
Subject: fix string.utf_codepoint

---
 src/gleam/string.gleam | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gleam/string.gleam b/src/gleam/string.gleam
index a87b343..8802f09 100644
--- a/src/gleam/string.gleam
+++ b/src/gleam/string.gleam
@@ -811,6 +811,7 @@ pub fn utf_codepoint(value: Int) -> Result(UtfCodepoint, Nil) {
     i if i > 1_114_111 -> Error(Nil)
     65_534 | 65_535 -> Error(Nil)
     i if i >= 55_296 && i <= 57_343 -> Error(Nil)
+    i if i < 0 -> Error(Nil)
     i -> Ok(unsafe_int_to_utf_codepoint(i))
   }
 }
-- 
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