From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 16 Mar 2022 14:30:58 +0000 (+0000)
Subject: COMPILES
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=28bed7a631a5f29890b19899cd950989050ff13c;p=rust-experiments.git

COMPILES
---

diff --git a/src/main.rs b/src/main.rs
index cc60311..af3ef28 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,7 +3,7 @@ struct Struct;
 impl Trait for Struct { }
 
 fn optmap(s: Option<&Struct>) -> Option<&dyn Trait> {
-    s
+    s.map(|s| s as _)
 }
 
 fn main() {