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Fix closure arg extraction in extract_callable_info

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This commit is contained in:
Michael Goulet 2024-11-02 03:42:10 +00:00
parent 7c7bb7dc01
commit 78bbc648c5
3 changed files with 29 additions and 2 deletions
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4
compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs
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@ -1091,7 +1091,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
Some((
DefIdOrName::DefId(def_id),
fn_sig.output(),
fn_sig.inputs().map_bound(|inputs| &inputs[1..]),
fn_sig.inputs().map_bound(|inputs| inputs[0].tuple_fields().as_slice()),
))
}
ty::Alias(ty::Opaque, ty::AliasTy { def_id, args, .. }) => {
@ -1101,7 +1101,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
.iter()
.find_map(|pred| {
if let ty::ClauseKind::Projection(proj) = pred.kind().skip_binder()
&& self.tcx.is_lang_item(proj.projection_term.def_id,LangItem::FnOnceOutput)
&& self.tcx.is_lang_item(proj.projection_term.def_id, LangItem::FnOnceOutput)
// args tuple will always be args[1]
&& let ty::Tuple(args) = proj.projection_term.args.type_at(1).kind()
{