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chenyukangchenyukang
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resolve merge conflict
1 parent 74cdf93 commit 93e62a4

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‎compiler/rustc_hir_typeck/src/method/suggest.rs‎

Lines changed: 60 additions & 44 deletions
Original file line numberDiff line numberDiff line change
@@ -221,7 +221,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
221221
let mode = no_match_data.mode;
222222
let tcx = self.tcx;
223223
let rcvr_ty = self.resolve_vars_if_possible(rcvr_ty);
224-
let ty_str = self.ty_to_string(rcvr_ty);
224+
let ty_str = with_forced_trimmed_paths!(self.ty_to_string(rcvr_ty));
225225
let is_method = mode == Mode::MethodCall;
226226
let unsatisfied_predicates = &no_match_data.unsatisfied_predicates;
227227
let lev_candidate = no_match_data.lev_candidate;
@@ -523,7 +523,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
523523
let term = pred.skip_binder().term;
524524

525525
let obligation = format!("{} = {}", projection_ty, term);
526-
let quiet = format!("{} = {}", quiet_projection_ty, term);
526+
let quiet = with_forced_trimmed_paths!(format!(
527+
"{} = {}",
528+
quiet_projection_ty, term
529+
));
527530

528531
bound_span_label(projection_ty.self_ty(), &obligation, &quiet);
529532
Some((obligation, projection_ty.self_ty()))
@@ -533,7 +536,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
533536
let self_ty = p.self_ty();
534537
let path = p.print_only_trait_path();
535538
let obligation = format!("{}: {}", self_ty, path);
536-
let quiet = format!("_: {}", path);
539+
let quiet = with_forced_trimmed_paths!(format!("_: {}", path));
537540
bound_span_label(self_ty, &obligation, &quiet);
538541
Some((obligation, self_ty))
539542
}
@@ -636,6 +639,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
636639
let entry = spanned_predicates.entry(spans);
637640
entry.or_insert_with(|| (path, tr_self_ty, Vec::new())).2.push(p);
638641
}
642+
Some(Node::Item(hir::Item {
643+
kind: hir::ItemKind::Trait(rustc_ast::ast::IsAuto::Yes, ..),
644+
span: item_span,
645+
..
646+
})) => {
647+
tcx.sess.delay_span_bug(
648+
*item_span,
649+
"auto trait is invoked with no method error, but no error reported?",
650+
);
651+
}
639652
Some(_) => unreachable!(),
640653
None => (),
641654
}
@@ -731,9 +744,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
731744
} else {
732745
(None, None)
733746
};
734-
let primary_message = primary_message.unwrap_or_else(|| format!(
735-
"the {item_kind} `{item_name}` exists for {actual_prefix} `{ty_str}`, but its trait bounds were not satisfied"
736-
));
747+
let primary_message = primary_message.unwrap_or_else(|| {
748+
format!(
749+
"the {item_kind} `{item_name}` exists for {actual_prefix} `{ty_str}`, \
750+
but its trait bounds were not satisfied"
751+
)
752+
});
737753
err.set_primary_message(&primary_message);
738754
if let Some(label) = label {
739755
custom_span_label = true;
@@ -826,11 +842,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
826842
}
827843
}
828844
} else {
845+
let ty_str =
846+
if ty_str.len() > 50 { String::new() } else { format!("on `{ty_str}` ") };
829847
err.span_label(
830848
span,
831-
format!(
832-
"{item_kind} cannot be called on `{ty_str}` due to unsatisfied trait bounds"
833-
),
849+
format!("{item_kind} cannot be called {ty_str}due to unsatisfied trait bounds"),
834850
);
835851
}
836852
};
@@ -922,7 +938,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
922938
if def_kind == DefKind::AssocFn && lev_candidate.fn_has_self_parameter {
923939
err.span_suggestion(
924940
span,
925-
&format!("there is a method with a similar name",),
941+
"there is a method with a similar name",
926942
lev_candidate.name,
927943
Applicability::MaybeIncorrect,
928944
);
@@ -966,11 +982,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
966982
// Provide the best span we can. Use the item, if local to crate, else
967983
// the impl, if local to crate (item may be defaulted), else nothing.
968984
let Some(item) = self.associated_value(impl_did, item_name).or_else(|| {
969-
let impl_trait_ref = self.tcx.impl_trait_ref(impl_did)?;
970-
self.associated_value(impl_trait_ref.def_id, item_name)
971-
}) else {
972-
continue;
973-
};
985+
let impl_trait_ref = self.tcx.impl_trait_ref(impl_did)?;
986+
self.associated_value(impl_trait_ref.def_id, item_name)
987+
}) else {
988+
continue;
989+
};
974990

975991
let note_span = if item.def_id.is_local() {
976992
Some(self.tcx.def_span(item.def_id))
@@ -1015,35 +1031,35 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
10151031
err.note(&note_str);
10161032
}
10171033
if let Some(sugg_span) = sugg_span
1018-
&& let Some(trait_ref) = self.tcx.impl_trait_ref(impl_did) {
1019-
let path = self.tcx.def_path_str(trait_ref.def_id);
1020-
1021-
let ty = match item.kind {
1022-
ty::AssocKind::Const | ty::AssocKind::Type => rcvr_ty,
1023-
ty::AssocKind::Fn => self
1024-
.tcx
1025-
.fn_sig(item.def_id)
1026-
.inputs()
1027-
.skip_binder()
1028-
.get(0)
1029-
.filter(|ty| ty.is_region_ptr() && !rcvr_ty.is_region_ptr())
1030-
.copied()
1031-
.unwrap_or(rcvr_ty),
1032-
};
1033-
print_disambiguation_help(
1034-
item_name,
1035-
args,
1036-
err,
1037-
path,
1038-
ty,
1039-
item.kind,
1040-
item.def_id,
1041-
sugg_span,
1042-
idx,
1043-
self.tcx.sess.source_map(),
1044-
item.fn_has_self_parameter,
1045-
);
1046-
}
1034+
&& let Some(trait_ref) = self.tcx.impl_trait_ref(impl_did) {
1035+
let path = self.tcx.def_path_str(trait_ref.def_id);
1036+
1037+
let ty = match item.kind {
1038+
ty::AssocKind::Const | ty::AssocKind::Type => rcvr_ty,
1039+
ty::AssocKind::Fn => self
1040+
.tcx
1041+
.fn_sig(item.def_id)
1042+
.inputs()
1043+
.skip_binder()
1044+
.get(0)
1045+
.filter(|ty| ty.is_region_ptr() && !rcvr_ty.is_region_ptr())
1046+
.copied()
1047+
.unwrap_or(rcvr_ty),
1048+
};
1049+
print_disambiguation_help(
1050+
item_name,
1051+
args,
1052+
err,
1053+
path,
1054+
ty,
1055+
item.kind,
1056+
item.def_id,
1057+
sugg_span,
1058+
idx,
1059+
self.tcx.sess.source_map(),
1060+
item.fn_has_self_parameter,
1061+
);
1062+
}
10471063
}
10481064
CandidateSource::Trait(trait_did) => {
10491065
let Some(item) = self.associated_value(trait_did, item_name) else { continue };

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