bjoernager/rust
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Determine self_ty with expected ty

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This commit is contained in:
mu001999 2023-05-29 12:26:27 +08:00
parent 089677eb32
commit 2f65aac667
4 changed files with 24 additions and 2 deletions
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2
compiler/rustc_hir_analysis/src/check/compare_impl_item.rs
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@ -901,7 +901,7 @@ fn report_trait_method_mismatch<'tcx>(
if trait_m.fn_has_self_parameter =>
{
let ty = trait_sig.inputs()[0];
let sugg = match ExplicitSelf::determine(ty, |_| ty == impl_trait_ref.self_ty()) {
let sugg = match ExplicitSelf::determine(ty, |ty| ty == impl_trait_ref.self_ty()) {
ExplicitSelf::ByValue => "self".to_owned(),
ExplicitSelf::ByReference(_, hir::Mutability::Not) => "&self".to_owned(),
ExplicitSelf::ByReference(_, hir::Mutability::Mut) => "&mut self".to_owned(),