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Avoid wrapping fn sig in a fn pointer when we want to just print the sig

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This commit is contained in:
Oli Scherer 2024-12-16 15:38:32 +00:00
parent 1c7d54eb7b
commit 1d834c2257
1 changed files with 13 additions and 13 deletions
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26
compiler/rustc_trait_selection/src/error_reporting/infer/nice_region_error/trait_impl_difference.rs
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@ -2,18 +2,19 @@
use rustc_errors::ErrorGuaranteed;
use rustc_hir as hir;
use rustc_hir::def::Res;
use rustc_hir::def::{Namespace, Res};
use rustc_hir::def_id::DefId;
use rustc_hir::intravisit::Visitor;
use rustc_middle::hir::nested_filter;
use rustc_middle::traits::ObligationCauseCode;
use rustc_middle::ty::error::ExpectedFound;
use rustc_middle::ty::print::RegionHighlightMode;
use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitable};
use rustc_middle::ty::{self, TyCtxt, TypeVisitable};
use rustc_span::Span;
use tracing::debug;
use crate::error_reporting::infer::nice_region_error::NiceRegionError;
use crate::error_reporting::infer::nice_region_error::placeholder_error::Highlighted;
use crate::errors::{ConsiderBorrowingParamHelp, RelationshipHelp, TraitImplDiff};
use crate::infer::{RegionResolutionError, Subtype, ValuePairs};
@ -81,18 +82,17 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> {
let expected_highlight = HighlightBuilder::build(expected);
let tcx = self.cx.tcx;
let expected = self
.cx
.extract_inference_diagnostics_data(
Ty::new_fn_ptr(tcx, expected).into(),
expected_highlight,
)
.name;
let expected = Highlighted {
highlight: expected_highlight,
ns: Namespace::TypeNS,
tcx,
value: expected,
}
.to_string();
let found_highlight = HighlightBuilder::build(found);
let found = self
.cx
.extract_inference_diagnostics_data(Ty::new_fn_ptr(tcx, found).into(), found_highlight)
.name;
let found =
Highlighted { highlight: found_highlight, ns: Namespace::TypeNS, tcx, value: found }
.to_string();
// Get the span of all the used type parameters in the method.
let assoc_item = self.tcx().associated_item(trait_item_def_id);