introduce newtype'd Predicate<'tcx>

This commit is contained in:
Bastian Kauschke 2020-05-11 22:06:41 +02:00
parent 2722522fac
commit 091239ee60
4 changed files with 6 additions and 6 deletions

View File

@ -91,7 +91,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for FutureNotSend {
cx.tcx.infer_ctxt().enter(|infcx| {
for FulfillmentError { obligation, .. } in send_errors {
infcx.maybe_note_obligation_cause_for_async_await(db, &obligation);
if let Trait(trait_pred, _) = obligation.predicate {
if let Trait(trait_pred, _) = obligation.predicate.kind() {
let trait_ref = trait_pred.to_poly_trait_ref();
db.note(&*format!(
"`{}` doesn't implement `{}`",

View File

@ -1496,8 +1496,8 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Methods {
if let ty::Opaque(def_id, _) = ret_ty.kind {
// one of the associated types must be Self
for predicate in cx.tcx.predicates_of(def_id).predicates {
match predicate {
(ty::PredicateKind::Projection(poly_projection_predicate), _) => {
match predicate.0.kind() {
ty::PredicateKind::Projection(poly_projection_predicate) => {
let binder = poly_projection_predicate.ty();
let associated_type = binder.skip_binder();
@ -1506,7 +1506,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Methods {
return;
}
},
(_, _) => {},
_ => {},
}
}
}

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@ -114,7 +114,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessPassByValue {
let preds = traits::elaborate_predicates(cx.tcx, cx.param_env.caller_bounds.iter().copied())
.filter(|p| !p.is_global())
.filter_map(|obligation| {
if let ty::PredicateKind::Trait(poly_trait_ref, _) = obligation.predicate {
if let ty::PredicateKind::Trait(poly_trait_ref, _) = obligation.predicate.kind() {
if poly_trait_ref.def_id() == sized_trait || poly_trait_ref.skip_binder().has_escaping_bound_vars()
{
return None;

View File

@ -1299,7 +1299,7 @@ pub fn is_must_use_ty<'a, 'tcx>(cx: &LateContext<'a, 'tcx>, ty: Ty<'tcx>) -> boo
ty::Tuple(ref substs) => substs.types().any(|ty| is_must_use_ty(cx, ty)),
ty::Opaque(ref def_id, _) => {
for (predicate, _) in cx.tcx.predicates_of(*def_id).predicates {
if let ty::PredicateKind::Trait(ref poly_trait_predicate, _) = predicate {
if let ty::PredicateKind::Trait(ref poly_trait_predicate, _) = predicate.kind() {
if must_use_attr(&cx.tcx.get_attrs(poly_trait_predicate.skip_binder().trait_ref.def_id)).is_some() {
return true;
}