add a note about replacing Void with an extern type

rust-lang · Apr 6, 2019 · c463161 · c463161
1 parent 2ca2e68
commit c463161
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/key_values/value/any.rs b/src/key_values/value/any.rs
@@ -73,6 +73,9 @@ pub(super) struct Any<'a> {
     from: FromAnyFn<Void>,
 }
 
+// FIXME: This would be more correct as an extern type
+// Replace once the `extern_types` feature is stable
+// and available
 struct Void {
     _priv: (),
     _oibit_remover: PhantomData<*mut Fn()>,