From 5e32af0ceb826dc1d33ae43ad0fc2169b9e3a179 Mon Sep 17 00:00:00 2001
From: Stephen Chung <schungx@live.com>
Date: Thu, 13 Jan 2022 21:08:36 +0800
Subject: [PATCH] Fix unchecked build.

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

diff --git a/src/eval/target.rs b/src/eval/target.rs
index a2462212..e8efefb9 100644
--- a/src/eval/target.rs
+++ b/src/eval/target.rs
@@ -61,7 +61,7 @@ pub fn calc_index(
                     }
                 });
             #[cfg(feature = "unchecked")]
-            return Ok(actual - (start.abs() as usize));
+            return Ok(length - (start.abs() as usize));
         } else {
             Err(err().into())
         }