Allow cloning poison::Guards.

(makes implementing `Mapped*Guard` easier)
rust-lang · Dec 5, 2023 · f842d7b · f842d7b
1 parent 2da59b8
commit f842d7b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/library/std/src/sync/poison.rs b/library/std/src/sync/poison.rs
@@ -55,6 +55,7 @@ impl Flag {
     }
 }
 
+#[derive(Clone)]
 pub struct Guard {
     panicking: bool,
 }