Use extension trait derive

2024-02-13 23:49:39 +00:00
parent 3250e95305
commit 9c25823bb4
29 changed files with 121 additions and 974 deletions
--- a/compiler/rustc_trait_selection/src/traits/structural_normalize.rs
+++ b/compiler/rustc_trait_selection/src/traits/structural_normalize.rs
@@ -5,15 +5,8 @@ use rustc_middle::ty::{self, Ty};

 use crate::traits::{NormalizeExt, Obligation};

-pub trait StructurallyNormalizeExt<'tcx> {
-    fn structurally_normalize(
-        &self,
-        ty: Ty<'tcx>,
-        fulfill_cx: &mut dyn TraitEngine<'tcx>,
-    ) -> Result<Ty<'tcx>, Vec<FulfillmentError<'tcx>>>;
-}
-
-impl<'tcx> StructurallyNormalizeExt<'tcx> for At<'_, 'tcx> {
+#[extension]
+pub impl<'tcx> StructurallyNormalizeExt<'tcx> for At<'_, 'tcx> {
    fn structurally_normalize(
        &self,
        ty: Ty<'tcx>,