From 720f33eee642eafab3c03bc7caed5f8690b481e8 Mon Sep 17 00:00:00 2001
From: Mate Kovacs <mkovaxx@gmail.com>
Date: Thu, 10 Aug 2023 19:56:47 +0900
Subject: [PATCH] add .to_mut() in test owned_mutation()

---
 exercises/smart_pointers/cow1.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exercises/smart_pointers/cow1.rs b/exercises/smart_pointers/cow1.rs
index 7ca91686..5ab51152 100644
--- a/exercises/smart_pointers/cow1.rs
+++ b/exercises/smart_pointers/cow1.rs
@@ -70,7 +70,7 @@ mod tests {
         // case the call to `to_mut()` returns a reference to the same data as
         // before.
         let slice = vec![-1, 0, 1];
-        let mut input = Cow::from(slice);
+        let mut input = Cow::from(slice).to_mut();
         match abs_all(&mut input) {
             // TODO
         }