introduce downcast to Element

derezzedex · Feb 2, 2025 · 5fed200 · 5fed200
1 parent 599d8b5
commit 5fed200
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/core/src/element.rs b/core/src/element.rs
@@ -218,6 +218,19 @@ impl<'a, Message, Theme, Renderer> Element<'a, Message, Theme, Renderer> {
             widget: Box::new(Explain::new(self, color.into())),
         }
     }
+
+    /// TODO
+    pub fn downcast<T: Widget<Message, Theme, Renderer>>(self) -> Box<T>
+    where
+        Message: 'a,
+        Theme: 'a,
+        Renderer: crate::Renderer + 'a,
+    {
+        #[allow(unsafe_code)]
+        unsafe {
+            Box::from_raw(Box::into_raw(self.widget) as *mut T)
+        }
+    }
 }
 
 impl<'a, Message, Theme, Renderer>