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Remove unused TypeFoldable/TypeVisitable impls.

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This commit is contained in:
Nicholas Nethercote
2023-04-17 07:16:25 +10:00
parent 458d4dae84
commit 671de6d62a
12 changed files with 12 additions and 59 deletions
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20
compiler/rustc_middle/src/ty/structural_impls.rs
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@@ -4,7 +4,6 @@
//! to help with the tedium.
use crate::mir::interpret;
use crate::mir::ProjectionKind;
use crate::ty::fold::{FallibleTypeFolder, TypeFoldable, TypeSuperFoldable};
use crate::ty::print::{with_no_trimmed_paths, FmtPrinter, Printer};
use crate::ty::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor};
@@ -373,16 +372,6 @@ impl<'a, 'tcx> Lift<'tcx> for ty::ParamEnv<'a> {
///////////////////////////////////////////////////////////////////////////
// Traversal implementations.
/// AdtDefs are basically the same as a DefId.
impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for ty::AdtDef<'tcx> {
fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>(
self,
_folder: &mut F,
) -> Result<Self, F::Error> {
Ok(self)
}
}
impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for ty::AdtDef<'tcx> {
fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(
&self,
@@ -445,15 +434,6 @@ impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ty::Const<'tcx>> {
}
}
impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ProjectionKind> {
fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>(
self,
folder: &mut F,
) -> Result<Self, F::Error> {
ty::util::fold_list(self, folder, |tcx, v| tcx.mk_projs(v))
}
}
impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for Ty<'tcx> {
fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>(
self,