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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6
src/librustc_typeck/check/expr.rs
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@ -1545,7 +1545,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
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
if !def.is_enum() {
if def.non_enum_variant().fields.iter().any(|field| field.ident == field_ident)
{
err.span_suggestion_verbose(
base.span.shrink_to_hi(),
"consider awaiting before field access",
@ -1556,6 +1559,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
}
}
}
}
fn ban_nonexisting_field(
&self,