From 70117c30a6a85278f01a56b92a259864079b94da Mon Sep 17 00:00:00 2001
From: Armin Becher <armin.becher@methodpark.de>
Date: Mon, 6 Apr 2020 00:55:24 +0200
Subject: [PATCH] Fix index return value

---
 src/lib.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 21e78a4..68c42ad 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -448,7 +448,8 @@ impl<T: Clone> Index<usize> for Grid<T> {
 
     fn index(&self, idx: usize) -> &Self::Output {
         if idx < self.rows {
-            &self.data[(idx * &self.cols)..]
+            let start_idx = idx * self.cols;
+            &self.data[start_idx..start_idx + self.cols]
         } else {
             panic!(
                 "index {:?} out of bounds. Grid has {:?} rows.",