bjoernager/rust
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Make InstantiatedPredicates impl IntoIterator

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This commit is contained in:
Michael Goulet 2023-01-03 03:32:59 +00:00
parent 91fd862df0
commit 9b28edb6d7
12 changed files with 74 additions and 65 deletions
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5
compiler/rustc_traits/src/type_op.rs
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@ -17,7 +17,6 @@ use rustc_trait_selection::traits::query::type_op::subtype::Subtype;
use rustc_trait_selection::traits::query::{Fallible, NoSolution};
use rustc_trait_selection::traits::{Normalized, Obligation, ObligationCause, ObligationCtxt};
use std::fmt;
use std::iter::zip;
pub(crate) fn provide(p: &mut Providers) {
*p = Providers {
@ -108,9 +107,7 @@ fn relate_mir_and_user_substs<'tcx>(
let instantiated_predicates = tcx.predicates_of(def_id).instantiate(tcx, substs);
debug!(?instantiated_predicates);
for (instantiated_predicate, predicate_span) in
zip(instantiated_predicates.predicates, instantiated_predicates.spans)
{
for (instantiated_predicate, predicate_span) in instantiated_predicates {
let span = if span == DUMMY_SP { predicate_span } else { span };
let cause = ObligationCause::new(
span,