attempt to re-add ty::Unevaluated visitor and friends

2022-01-12 23:29:10 +00:00
parent 71bbb603f4
commit dec8ed438c
21 changed files with 174 additions and 121 deletions
--- a/compiler/rustc_middle/src/ty/mod.rs
+++ b/compiler/rustc_middle/src/ty/mod.rs
@@ -598,7 +598,7 @@ pub enum PredicateKind<'tcx> {
    Coerce(CoercePredicate<'tcx>),

    /// Constant initializer must evaluate successfully.
-    ConstEvaluatable(ty::WithOptConstParam<DefId>, SubstsRef<'tcx>),
+    ConstEvaluatable(ty::Unevaluated<'tcx, ()>),

    /// Constants must be equal. The first component is the const that is expected.
    ConstEquate(&'tcx Const<'tcx>, &'tcx Const<'tcx>),