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Rollup merge of #104786 - WaffleLapkin:amp-mut-help, r=compiler-errors

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Use the power of adding helper function to simplify code w/ `Mutability`

r? `@compiler-errors`
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Guillaume Gomez 2022-11-26 17:47:23 +01:00 • committed by GitHub
commit a2e485c25c
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28 changed files with 144 additions and 218 deletions
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5
compiler/rustc_hir/src/pat_util.rs
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@ -130,10 +130,7 @@ impl hir::Pat<'_> {
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),
_ => {}
});