add Drop

src/lib.rs

@@ -33,6 +33,13 @@ impl<'a, Trait: ?Sized + 'a> Dyn<'a, Trait> {
 	}
 }
 
+impl<'a, Trait: ?Sized + 'a> Drop for Dyn<'a, Trait> {
+	fn drop(&mut self) {
+		// SAFETY: `self` is valid for writing, and won't be accessed later.
+		unsafe { Self::ptr(self as *mut Self).drop_in_place() };
+	}
+}
+
 impl<'a, Trait: ?Sized + 'a> ops::Deref for Dyn<'a, Trait> {
 	type Target = Trait;