Unwrap the results of type folders

Co-authored-by: Alan Egerton <eggyal@gmail.com>
2021-05-19 15:03:43 +02:00
parent 6dc3dae46f
commit 30bf20a692
34 changed files with 191 additions and 167 deletions
--- a/compiler/rustc_trait_selection/src/traits/query/normalize.rs
+++ b/compiler/rustc_trait_selection/src/traits/query/normalize.rs
@@ -88,7 +88,7 @@ impl<'cx, 'tcx> AtExt<'tcx> for At<'cx, 'tcx> {
                normalizer.universes.extend((0..max_visitor.escaping).map(|_| None));
            }
        }
-        let result = value.fold_with(&mut normalizer);
+        let result = value.fold_with(&mut normalizer).into_ok();
        info!(
            "normalize::<{}>: result={:?} with {} obligations",
            std::any::type_name::<T>(),