mirror of https://github.com/rust-lang/rust.git
Implement Stable for ty::Ty
This commit is contained in:
Santiago Pastorino
parent
17b8977f9b
commit
634db101ec
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@ -64,7 +64,8 @@ impl<'tcx> Context for Tables<'tcx> {
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}
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fn ty_kind(&mut self, ty: crate::stable_mir::ty::Ty) -> TyKind {
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self.rustc_ty_to_ty(self.types[ty.0])
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let ty = self.types[ty.0];
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ty.stable(self)
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}
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}
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@ -75,85 +76,6 @@ pub struct Tables<'tcx> {
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}
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impl<'tcx> Tables<'tcx> {
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fn rustc_ty_to_ty(&mut self, ty: Ty<'tcx>) -> TyKind {
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match ty.kind() {
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ty::Bool => TyKind::RigidTy(RigidTy::Bool),
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ty::Char => TyKind::RigidTy(RigidTy::Char),
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ty::Int(int_ty) => match int_ty {
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ty::IntTy::Isize => TyKind::RigidTy(RigidTy::Int(IntTy::Isize)),
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ty::IntTy::I8 => TyKind::RigidTy(RigidTy::Int(IntTy::I8)),
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ty::IntTy::I16 => TyKind::RigidTy(RigidTy::Int(IntTy::I16)),
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ty::IntTy::I32 => TyKind::RigidTy(RigidTy::Int(IntTy::I32)),
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ty::IntTy::I64 => TyKind::RigidTy(RigidTy::Int(IntTy::I64)),
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ty::IntTy::I128 => TyKind::RigidTy(RigidTy::Int(IntTy::I128)),
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},
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ty::Uint(uint_ty) => match uint_ty {
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ty::UintTy::Usize => TyKind::RigidTy(RigidTy::Uint(UintTy::Usize)),
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ty::UintTy::U8 => TyKind::RigidTy(RigidTy::Uint(UintTy::U8)),
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ty::UintTy::U16 => TyKind::RigidTy(RigidTy::Uint(UintTy::U16)),
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ty::UintTy::U32 => TyKind::RigidTy(RigidTy::Uint(UintTy::U32)),
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ty::UintTy::U64 => TyKind::RigidTy(RigidTy::Uint(UintTy::U64)),
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ty::UintTy::U128 => TyKind::RigidTy(RigidTy::Uint(UintTy::U128)),
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},
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ty::Float(float_ty) => match float_ty {
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ty::FloatTy::F32 => TyKind::RigidTy(RigidTy::Float(FloatTy::F32)),
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ty::FloatTy::F64 => TyKind::RigidTy(RigidTy::Float(FloatTy::F64)),
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},
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ty::Adt(adt_def, generic_args) => TyKind::RigidTy(RigidTy::Adt(
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rustc_internal::adt_def(adt_def.did()),
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generic_args.stable(self),
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)),
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ty::Foreign(def_id) => {
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TyKind::RigidTy(RigidTy::Foreign(rustc_internal::foreign_def(*def_id)))
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}
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ty::Str => TyKind::RigidTy(RigidTy::Str),
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ty::Array(ty, constant) => {
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TyKind::RigidTy(RigidTy::Array(self.intern_ty(*ty), opaque(constant)))
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}
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ty::Slice(ty) => TyKind::RigidTy(RigidTy::Slice(self.intern_ty(*ty))),
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ty::RawPtr(ty::TypeAndMut { ty, mutbl }) => {
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TyKind::RigidTy(RigidTy::RawPtr(self.intern_ty(*ty), mutbl.stable(self)))
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}
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ty::Ref(region, ty, mutbl) => TyKind::RigidTy(RigidTy::Ref(
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opaque(region),
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self.intern_ty(*ty),
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mutbl.stable(self),
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)),
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ty::FnDef(def_id, generic_args) => TyKind::RigidTy(RigidTy::FnDef(
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rustc_internal::fn_def(*def_id),
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generic_args.stable(self),
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)),
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ty::FnPtr(poly_fn_sig) => TyKind::RigidTy(RigidTy::FnPtr(poly_fn_sig.stable(self))),
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ty::Dynamic(_, _, _) => todo!(),
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ty::Closure(def_id, generic_args) => TyKind::RigidTy(RigidTy::Closure(
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rustc_internal::closure_def(*def_id),
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generic_args.stable(self),
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)),
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ty::Generator(def_id, generic_args, movability) => TyKind::RigidTy(RigidTy::Generator(
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rustc_internal::generator_def(*def_id),
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generic_args.stable(self),
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match movability {
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hir::Movability::Static => Movability::Static,
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hir::Movability::Movable => Movability::Movable,
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},
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)),
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ty::Never => TyKind::RigidTy(RigidTy::Never),
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ty::Tuple(fields) => TyKind::RigidTy(RigidTy::Tuple(
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fields.iter().map(|ty| self.intern_ty(ty)).collect(),
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)),
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ty::Alias(_, _) => todo!(),
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ty::Param(_) => todo!(),
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ty::Bound(_, _) => todo!(),
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ty::Placeholder(..)
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| ty::GeneratorWitness(_)
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| ty::GeneratorWitnessMIR(_, _)
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| ty::Infer(_)
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| ty::Error(_) => {
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unreachable!();
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}
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}
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}
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fn intern_ty(&mut self, ty: Ty<'tcx>) -> stable_mir::ty::Ty {
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if let Some(id) = self.types.iter().position(|&t| t == ty) {
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return stable_mir::ty::Ty(id);
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@ -676,3 +598,85 @@ impl<'tcx> Stable<'tcx> for ty::BoundVariableKind {
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}
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}
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}
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impl<'tcx> Stable<'tcx> for Ty<'tcx> {
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type T = stable_mir::ty::TyKind;
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fn stable(&self, tables: &mut Tables<'tcx>) -> Self::T {
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match self.kind() {
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ty::Bool => TyKind::RigidTy(RigidTy::Bool),
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ty::Char => TyKind::RigidTy(RigidTy::Char),
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ty::Int(int_ty) => match int_ty {
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ty::IntTy::Isize => TyKind::RigidTy(RigidTy::Int(IntTy::Isize)),
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ty::IntTy::I8 => TyKind::RigidTy(RigidTy::Int(IntTy::I8)),
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ty::IntTy::I16 => TyKind::RigidTy(RigidTy::Int(IntTy::I16)),
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ty::IntTy::I32 => TyKind::RigidTy(RigidTy::Int(IntTy::I32)),
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ty::IntTy::I64 => TyKind::RigidTy(RigidTy::Int(IntTy::I64)),
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ty::IntTy::I128 => TyKind::RigidTy(RigidTy::Int(IntTy::I128)),
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},
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ty::Uint(uint_ty) => match uint_ty {
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ty::UintTy::Usize => TyKind::RigidTy(RigidTy::Uint(UintTy::Usize)),
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ty::UintTy::U8 => TyKind::RigidTy(RigidTy::Uint(UintTy::U8)),
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ty::UintTy::U16 => TyKind::RigidTy(RigidTy::Uint(UintTy::U16)),
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ty::UintTy::U32 => TyKind::RigidTy(RigidTy::Uint(UintTy::U32)),
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ty::UintTy::U64 => TyKind::RigidTy(RigidTy::Uint(UintTy::U64)),
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ty::UintTy::U128 => TyKind::RigidTy(RigidTy::Uint(UintTy::U128)),
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},
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ty::Float(float_ty) => match float_ty {
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ty::FloatTy::F32 => TyKind::RigidTy(RigidTy::Float(FloatTy::F32)),
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ty::FloatTy::F64 => TyKind::RigidTy(RigidTy::Float(FloatTy::F64)),
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},
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ty::Adt(adt_def, generic_args) => TyKind::RigidTy(RigidTy::Adt(
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rustc_internal::adt_def(adt_def.did()),
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generic_args.stable(tables),
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)),
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ty::Foreign(def_id) => {
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TyKind::RigidTy(RigidTy::Foreign(rustc_internal::foreign_def(*def_id)))
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}
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ty::Str => TyKind::RigidTy(RigidTy::Str),
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ty::Array(ty, constant) => {
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TyKind::RigidTy(RigidTy::Array(tables.intern_ty(*ty), opaque(constant)))
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}
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ty::Slice(ty) => TyKind::RigidTy(RigidTy::Slice(tables.intern_ty(*ty))),
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ty::RawPtr(ty::TypeAndMut { ty, mutbl }) => {
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TyKind::RigidTy(RigidTy::RawPtr(tables.intern_ty(*ty), mutbl.stable(tables)))
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}
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ty::Ref(region, ty, mutbl) => TyKind::RigidTy(RigidTy::Ref(
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opaque(region),
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tables.intern_ty(*ty),
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mutbl.stable(tables),
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)),
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ty::FnDef(def_id, generic_args) => TyKind::RigidTy(RigidTy::FnDef(
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rustc_internal::fn_def(*def_id),
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generic_args.stable(tables),
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)),
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ty::FnPtr(poly_fn_sig) => TyKind::RigidTy(RigidTy::FnPtr(poly_fn_sig.stable(tables))),
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ty::Dynamic(_, _, _) => todo!(),
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ty::Closure(def_id, generic_args) => TyKind::RigidTy(RigidTy::Closure(
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rustc_internal::closure_def(*def_id),
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generic_args.stable(tables),
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)),
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ty::Generator(def_id, generic_args, movability) => TyKind::RigidTy(RigidTy::Generator(
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rustc_internal::generator_def(*def_id),
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generic_args.stable(tables),
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match movability {
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hir::Movability::Static => Movability::Static,
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hir::Movability::Movable => Movability::Movable,
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},
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)),
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ty::Never => TyKind::RigidTy(RigidTy::Never),
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ty::Tuple(fields) => TyKind::RigidTy(RigidTy::Tuple(
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fields.iter().map(|ty| tables.intern_ty(ty)).collect(),
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)),
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ty::Alias(_, _) => todo!(),
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ty::Param(_) => todo!(),
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ty::Bound(_, _) => todo!(),
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ty::Placeholder(..)
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| ty::GeneratorWitness(_)
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| ty::GeneratorWitnessMIR(_, _)
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| ty::Infer(_)
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| ty::Error(_) => {
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unreachable!();
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}
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}
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}
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}
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