From 1ff142a2a60fb14e8dbff27b9ae7da06b139ad80 Mon Sep 17 00:00:00 2001
From: parrrate <alisa@parrrate.com>
Date: Thu, 9 Apr 2026 12:56:15 +0000
Subject: [PATCH] stricter lifetimes for fromref

---
 src/exercises/fromref.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/exercises/fromref.md b/src/exercises/fromref.md
index d029092..88600ba 100644
--- a/src/exercises/fromref.md
+++ b/src/exercises/fromref.md
@@ -1,7 +1,8 @@
 Make this compile and pass tests:
 ```rust
 fn with_slice<T>(f: impl FnOnce(&str) -> T) -> T {
-    f("test")
+    let s = "te".to_string() + "st";
+    f(&s)
 }
 
 # pub trait FromRef<T: ?Sized>: for<'a> From<&'a T> { fn from_ref(value: &T) -> Self { Self::from(value) } }