// projection coming from another associated type. See
// `src/test/ui/associated-types/point-at-type-on-obligation-failure.rs` and
// `traits-assoc-type-in-supertrait-bad.rs`.
- if let Some(ty::Projection(projection_ty)) = proj.term.ty().map(|ty| ty.kind())
+ if let Some(ty::Alias(ty::Projection, projection_ty)) = proj.term.ty().map(|ty| ty.kind())
&& let Some(&impl_item_id) =
- tcx.impl_item_implementor_ids(impl_def_id).get(&projection_ty.item_def_id)
+ tcx.impl_item_implementor_ids(impl_def_id).get(&projection_ty.def_id)
&& let Some(impl_item_span) = items
.iter()
.find(|item| item.id.owner_id.to_def_id() == impl_item_id)
// An associated item obligation born out of the `trait` failed to be met. An example
// can be seen in `ui/associated-types/point-at-type-on-obligation-failure-2.rs`.
debug!("extended_cause_with_original_assoc_item_obligation trait proj {:?}", pred);
- if let ty::Projection(ty::ProjectionTy { item_def_id, .. }) = *pred.self_ty().kind()
+ if let ty::Alias(ty::Projection, ty::AliasTy { def_id, .. }) = *pred.self_ty().kind()
&& let Some(&impl_item_id) =
- tcx.impl_item_implementor_ids(impl_def_id).get(&item_def_id)
+ tcx.impl_item_implementor_ids(impl_def_id).get(&def_id)
&& let Some(impl_item_span) = items
.iter()
.find(|item| item.id.owner_id.to_def_id() == impl_item_id)
/// Pushes the obligations required for `trait_ref::Item` to be WF
/// into `self.out`.
- fn compute_projection(&mut self, data: ty::ProjectionTy<'tcx>) {
+ fn compute_projection(&mut self, data: ty::AliasTy<'tcx>) {
// A projection is well-formed if
//
// (a) its predicates hold (*)
// `i32: Copy`
// ]
// Projection types do not require const predicates.
- let obligations = self.nominal_obligations_without_const(data.item_def_id, data.substs);
+ let obligations = self.nominal_obligations_without_const(data.def_id, data.substs);
self.out.extend(obligations);
let tcx = self.tcx();
// Simple cases that are WF if their type args are WF.
}
- ty::Projection(data) => {
+ ty::Alias(ty::Projection, data) => {
walker.skip_current_subtree(); // Subtree handled by compute_projection.
self.compute_projection(data);
}
// types appearing in the fn signature
}
- ty::Opaque(did, substs) => {
+ ty::Alias(ty::Opaque, ty::AliasTy { def_id, substs, .. }) => {
// All of the requirements on type parameters
// have already been checked for `impl Trait` in
// return position. We do need to check type-alias-impl-trait though.
- if ty::is_impl_trait_defn(self.tcx, did).is_none() {
- let obligations = self.nominal_obligations(did, substs);
+ if ty::is_impl_trait_defn(self.tcx, def_id).is_none() {
+ let obligations = self.nominal_obligations(def_id, substs);
self.out.extend(obligations);
}
}