bjoernager/rust
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should not try to apply field accessing on enum

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This commit is contained in:
csmoe 2020-08-27 22:01:52 +08:00
parent 7cfcefd1fb
commit b71c8b64b5
1 changed files with 11 additions and 7 deletions
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18
src/librustc_typeck/check/expr.rs
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@ -1545,13 +1545,17 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
normalized_ty.kind, normalized_ty.kind,
); );
if let ty::Adt(def, _) = normalized_ty.kind { if let ty::Adt(def, _) = normalized_ty.kind {
if def.non_enum_variant().fields.iter().any(|field| field.ident == field_ident) { // no field access on enum type
err.span_suggestion_verbose( if !def.is_enum() {
base.span.shrink_to_hi(), if def.non_enum_variant().fields.iter().any(|field| field.ident == field_ident)
"consider awaiting before field access", {
".await".to_string(), err.span_suggestion_verbose(
Applicability::MaybeIncorrect, base.span.shrink_to_hi(),
); "consider awaiting before field access",
".await".to_string(),
Applicability::MaybeIncorrect,
);
}
} }
} }
} }