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random::<Improve<Mutability>>()

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This commit is contained in:
Maybe Waffle 2022-11-23 19:15:23 +00:00
parent 4439f1f6a6
commit 6486ba94a3
2 changed files with 2 additions and 5 deletions
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5
compiler/rustc_hir/src/pat_util.rs
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@ -130,10 +130,7 @@ pub fn necessary_variants(&self) -> Vec<DefId> {
pub fn contains_explicit_ref_binding(&self) -> Option<hir::Mutability> {
let mut result = None;
self.each_binding(|annotation, _, _, _| match annotation {
hir::BindingAnnotation::REF => match result {
None | Some(hir::Mutability::Not) => result = Some(hir::Mutability::Not),
_ => {}
},
hir::BindingAnnotation::REF if result.is_none() => result = Some(hir::Mutability::Not),
hir::BindingAnnotation::REF_MUT => result = Some(hir::Mutability::Mut),
_ => {}
});

2
compiler/rustc_hir_typeck/src/pat.rs
View File

@ -749,7 +749,7 @@ fn borrow_pat_suggestion(&self, err: &mut Diagnostic, pat: &Pat<'_>) {
format!("to take parameter `{binding}` by reference, move `&{mutability}` to the type"),
vec![
(pat.span.until(inner.span), "".to_owned()),
(ty_span.shrink_to_lo(), format!("&{}", mutbl.prefix_str())),
(ty_span.shrink_to_lo(), mutbl.ref_prefix_str().to_owned()),
],
Applicability::MachineApplicable
);