fix: return type of single-threaded dummy lock must be droppable

rust-lang · Oct 11, 2022 · 95b0b2d · 95b0b2d
1 parent 9530ba0
commit 95b0b2d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/library/std/src/sys/wasi/os.rs b/library/std/src/sys/wasi/os.rs
@@ -38,10 +38,10 @@ cfg_if::cfg_if! {
     } else {
         // No need for a lock if we are single-threaded.
         pub fn env_read_lock() -> impl Drop {
-            ()
+            Box::new(())
         }
         pub fn env_write_lock() -> impl Drop {
-            ()
+            Box::new(())
         }
     }
 }