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Use let instead of match to get value of enum with single variant.

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This commit is contained in:
Matthias Krüger 2020-03-02 18:43:05 +01:00
parent 18c275b423
commit e364c283fd
1 changed files with 2 additions and 5 deletions
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7
src/librustc_mir/monomorphize/collector.rs
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@ -824,11 +824,8 @@ fn find_vtable_types_for_unsizing<'tcx>(
(&ty::Adt(source_adt_def, source_substs), &ty::Adt(target_adt_def, target_substs)) => {
assert_eq!(source_adt_def, target_adt_def);
let kind = monomorphize::custom_coerce_unsize_info(tcx, source_ty, target_ty);
let coerce_index = match kind {
CustomCoerceUnsized::Struct(i) => i,
};
let CustomCoerceUnsized::Struct(coerce_index) =
monomorphize::custom_coerce_unsize_info(tcx, source_ty, target_ty);
let source_fields = &source_adt_def.non_enum_variant().fields;
let target_fields = &target_adt_def.non_enum_variant().fields;