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LangItem-ify Coroutine trait in solvers

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This commit is contained in:
Michael Goulet
2024-06-12 18:15:33 -04:00
parent 921645c737
commit d3812ac95f
5 changed files with 20 additions and 10 deletions
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9
compiler/rustc_trait_selection/src/traits/project.rs
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@@ -1373,15 +1373,16 @@ fn confirm_coroutine_candidate<'cx, 'tcx>(
coroutine_sig,
);
let name = tcx.associated_item(obligation.predicate.def_id).name;
let ty = if name == sym::Return {
let lang_items = tcx.lang_items();
let ty = if Some(obligation.predicate.def_id) == lang_items.coroutine_return() {
return_ty
} else if name == sym::Yield {
} else if Some(obligation.predicate.def_id) == lang_items.coroutine_yield() {
yield_ty
} else {
span_bug!(
tcx.def_span(obligation.predicate.def_id),
"unexpected associated type: `Coroutine::{name}`"
"unexpected associated type: `Coroutine::{}`",
tcx.item_name(obligation.predicate.def_id),
);
};