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Rollup merge of #139353 - nnethercote:LateAnon, r=compiler-errors

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Fix `Debug` impl for `LateParamRegionKind`.

It uses `Br` prefixes which are inappropriate and appear to have been incorrectly copy/pasted from the `Debug` impl for `BoundRegionKind`.

r? `@BoxyUwU`
This commit is contained in:
Matthias Krüger 2025-04-04 21:54:58 +02:00 committed by GitHub
commit e3c73c7a2f
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2 changed files with 8 additions and 8 deletions
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8
compiler/rustc_middle/src/ty/structural_impls.rs
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@ -86,15 +86,15 @@ impl fmt::Debug for ty::LateParamRegion {
impl fmt::Debug for ty::LateParamRegionKind {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match *self {
ty::LateParamRegionKind::Anon(idx) => write!(f, "BrAnon({idx})"),
ty::LateParamRegionKind::Anon(idx) => write!(f, "LateAnon({idx})"),
ty::LateParamRegionKind::Named(did, name) => {
if did.is_crate_root() {
write!(f, "BrNamed({name})")
write!(f, "LateNamed({name})")
} else {
write!(f, "BrNamed({did:?}, {name})")
write!(f, "LateNamed({did:?}, {name})")
}
}
ty::LateParamRegionKind::ClosureEnv => write!(f, "BrEnv"),
ty::LateParamRegionKind::ClosureEnv => write!(f, "LateEnv"),
}
}
}

8
tests/ui/nll/ty-outlives/impl-trait-captures.stderr
View File

@ -4,14 +4,14 @@ error[E0700]: hidden type for `Opaque(DefId(0:11 ~ impl_trait_captures[aeb9]::fo
LL | fn foo<'a, T>(x: &T) -> impl Foo<'a> {
| -- ------------ opaque type defined here
| |
| hidden type `&ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::'_), '_)) T` captures the anonymous lifetime defined here
| hidden type `&ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), LateNamed(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::'_), '_)) T` captures the anonymous lifetime defined here
LL | x
| ^
|
help: add a `use<...>` bound to explicitly capture `ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::'_), '_))`
help: add a `use<...>` bound to explicitly capture `ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), LateNamed(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::'_), '_))`
|
LL | fn foo<'a, T>(x: &T) -> impl Foo<'a> + use<'a, ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::'_), '_)), T> {
| +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
LL | fn foo<'a, T>(x: &T) -> impl Foo<'a> + use<'a, ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), LateNamed(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::'_), '_)), T> {
| +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
error: aborting due to 1 previous error