From ca7585ab9a5c770eacf22dfcdbbe1ad72d8eab34 Mon Sep 17 00:00:00 2001
From: Nicholas Nethercote <n.nethercote@gmail.com>
Date: Wed, 1 Jun 2022 10:25:56 +1000
Subject: [PATCH] Remove `EarlyBinder::{try_fold_with,visit_with}`.
For most types the default impls of these methods are good enough, and
`EarlyBinder` is one such type.
---
compiler/rustc_middle/src/ty/structural_impls.rs | 8 --------
1 file changed, 8 deletions(-)
diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs
index adb4766492e..1390907d805 100644
--- a/compiler/rustc_middle/src/ty/structural_impls.rs
+++ b/compiler/rustc_middle/src/ty/structural_impls.rs
@@ -868,17 +868,9 @@ impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for ty::EarlyBinder<T> {
self.try_map_bound(|ty| ty.try_fold_with(folder))
}
- fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> {
- self.try_map_bound(|ty| ty.try_fold_with(folder))
- }
-
fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> {
self.as_ref().0.visit_with(visitor)
}
-
- fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> {
- self.as_ref().0.visit_with(visitor)
- }
}
impl<'tcx, T: TypeFoldable<'tcx>> TypeFoldable<'tcx> for ty::Binder<'tcx, T> {