reinstall explicit Send impl

This stuff is subtle, better not to rely on implicit behavior.
matklad · Jun 4, 2023 · b2c0116 · b2c0116
1 parent 51a9724
commit b2c0116
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/imp_std.rs b/src/imp_std.rs
@@ -30,6 +30,7 @@ pub(crate) struct OnceCell<T> {
 // then destroyed by A. That is, destructor observes
 // a sent value.
 unsafe impl<T: Sync + Send> Sync for OnceCell<T> {}
+unsafe impl<T: Send> Send for OnceCell<T> {}
 
 impl<T: RefUnwindSafe + UnwindSafe> RefUnwindSafe for OnceCell<T> {}
 impl<T: UnwindSafe> UnwindSafe for OnceCell<T> {}