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Simplify some Autoderef::new calls

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This commit is contained in:
Oli Scherer 2022-11-08 14:45:24 +00:00
parent 57d3c58ed6
commit a7a40ddc79
2 changed files with 2 additions and 3 deletions
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2
compiler/rustc_hir_typeck/src/autoderef.rs
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@ -12,7 +12,7 @@ use std::iter;
impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
pub fn autoderef(&'a self, span: Span, base_ty: Ty<'tcx>) -> Autoderef<'a, 'tcx> {
Autoderef::new(self, self.param_env, self.body_id, span, base_ty, span)
self.autoderef_overloaded_span(span, base_ty, span)
}
/// Like `autoderef`, but provides a custom `Span` to use for calls to

3
compiler/rustc_hir_typeck/src/pat.rs
View File

@ -19,7 +19,6 @@ use rustc_span::lev_distance::find_best_match_for_name;
use rustc_span::source_map::{Span, Spanned};
use rustc_span::symbol::{kw, sym, Ident};
use rustc_span::{BytePos, DUMMY_SP};
use rustc_trait_selection::autoderef::Autoderef;
use rustc_trait_selection::traits::{ObligationCause, Pattern};
use ty::VariantDef;
@ -2132,7 +2131,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
&& let ty::Array(..) | ty::Slice(..) = ty.kind()
{
err.help("the semantics of slice patterns changed recently; see issue #62254");
} else if Autoderef::new(&self.infcx, self.param_env, self.body_id, span, expected_ty, span)
} else if self.autoderef(span, expected_ty)
.any(|(ty, _)| matches!(ty.kind(), ty::Slice(..) | ty::Array(..)))
&& let (Some(span), true) = (ti.span, ti.origin_expr)
&& let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(span)