bjoernager/rust
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Give DiagnosticBuilder a default type.

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`IntoDiagnostic` defaults to `ErrorGuaranteed`, because errors are the
most common diagnostic level. It makes sense to do likewise for the
closely-related (and much more widely used) `DiagnosticBuilder` type,
letting us write `DiagnosticBuilder<'a, ErrorGuaranteed>` as just
`DiagnosticBuilder<'a>`. This cuts over 200 lines of code due to many
multi-line things becoming single line things.
This commit is contained in:
Nicholas Nethercote 2023-12-19 15:26:24 +11:00
parent 6257f3bf1f
commit 757d6f6ef8
59 changed files with 250 additions and 454 deletions
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5
compiler/rustc_middle/src/mir/interpret/error.rs
View file

@ -90,10 +90,7 @@ pub type EvalToConstValueResult<'tcx> = Result<ConstValue<'tcx>, ErrorHandled>;
/// This is needed in `thir::pattern::lower_inline_const`.
pub type EvalToValTreeResult<'tcx> = Result<Option<ValTree<'tcx>>, ErrorHandled>;
pub fn struct_error<'tcx>(
tcx: TyCtxtAt<'tcx>,
msg: &str,
) -> DiagnosticBuilder<'tcx, ErrorGuaranteed> {
pub fn struct_error<'tcx>(tcx: TyCtxtAt<'tcx>, msg: &str) -> DiagnosticBuilder<'tcx> {
struct_span_err!(tcx.sess, tcx.span, E0080, "{}", msg)
}

2
compiler/rustc_middle/src/ty/mod.rs
View file

@ -1481,7 +1481,7 @@ impl<'tcx> OpaqueHiddenType<'tcx> {
other: &Self,
opaque_def_id: LocalDefId,
tcx: TyCtxt<'tcx>,
) -> DiagnosticBuilder<'tcx, ErrorGuaranteed> {
) -> DiagnosticBuilder<'tcx> {
if let Some(diag) = tcx
.sess
.dcx()