From 26d9da920f30b20948ec0762a3cb8a159f271cb9 Mon Sep 17 00:00:00 2001
From: Pascal Seitz <pascal.seitz@gmail.com>
Date: Wed, 2 Oct 2024 07:09:28 +0800
Subject: [PATCH] safeguard against panic

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

diff --git a/src/to_kana.rs b/src/to_kana.rs
index c3f32d9..a20e695 100644
--- a/src/to_kana.rs
+++ b/src/to_kana.rs
@@ -29,7 +29,7 @@ pub fn to_kana_with_opt(input: &str, options: Options) -> String {
         };
 
         // nothing found, pass through
-        if result.1 == 0 {
+        if result.1 == 0 || result.0.is_none() {
             ouput.push(chars[curr_pos]);
             curr_pos += 1;
         } else {