Add Steal::is_stolen()

rust-lang · Aug 8, 2024 · 0a35ec7 · 0a35ec7
1 parent 9337f7a
commit 0a35ec7
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/compiler/rustc_data_structures/src/steal.rs b/compiler/rustc_data_structures/src/steal.rs
@@ -51,6 +51,10 @@ impl<T> Steal<T> {
         let value = value_ref.take();
         value.expect("attempt to steal from stolen value")
     }
+
+    pub fn is_stolen(&self) -> bool {
+        self.value.borrow().is_none()
+    }
 }
 
 impl<CTX, T: HashStable<CTX>> HashStable<CTX> for Steal<T> {