bjoernager/rust
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implement type-changing-struct-update

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put the test dir in test/ui/rfcs
This commit is contained in:
SparrowLii 2021-10-19 11:08:12 +08:00
parent 41d8c94d45
commit 7bde18a0f3
10 changed files with 275 additions and 29 deletions
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3
compiler/rustc_middle/src/ty/error.rs
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@ -42,6 +42,7 @@ pub enum TypeError<'tcx> {
TupleSize(ExpectedFound<usize>),
FixedArraySize(ExpectedFound<u64>),
ArgCount,
FieldMisMatch(Symbol, Symbol),
RegionsDoesNotOutlive(Region<'tcx>, Region<'tcx>),
RegionsInsufficientlyPolymorphic(BoundRegionKind, Region<'tcx>),
@ -134,6 +135,7 @@ impl<'tcx> fmt::Display for TypeError<'tcx> {
pluralize!(values.found)
),
ArgCount => write!(f, "incorrect number of function parameters"),
FieldMisMatch(adt, field) => write!(f, "field type mismatch: {}.{}", adt, field),
RegionsDoesNotOutlive(..) => write!(f, "lifetime mismatch"),
RegionsInsufficientlyPolymorphic(br, _) => write!(
f,
@ -224,6 +226,7 @@ impl<'tcx> TypeError<'tcx> {
| ArgumentMutability(_)
| TupleSize(_)
| ArgCount
| FieldMisMatch(..)
| RegionsDoesNotOutlive(..)
| RegionsInsufficientlyPolymorphic(..)
| RegionsOverlyPolymorphic(..)