From 93ae424e7088281b3fd71850a81b0cbad6f10902 Mon Sep 17 00:00:00 2001
From: amrbashir <amr.bashir2015@gmail.com>
Date: Thu, 28 Dec 2023 16:49:28 +0200
Subject: [PATCH] saturating sub

---
 src/utils/lte.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils/lte.rs b/src/utils/lte.rs
index 69a0e33d1c..76f4133b65 100644
--- a/src/utils/lte.rs
+++ b/src/utils/lte.rs
@@ -91,7 +91,7 @@ impl<'a> Lexer<'a> {
     }
 
     fn prev_char(&self) -> char {
-        self.bytes[self.cursor - 1] as char
+        self.bytes[self.cursor.saturating_sub(1)] as char
     }
 
     fn skip_whitespace(&mut self) {