saturating sub

tauri-apps · Dec 28, 2023 · 93ae424 · 93ae424
1 parent 9e7d67b
commit 93ae424
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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) {