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Simplify two matches.

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Matches involving `GenericArgKind` pairs typically use a single `_` for
the impossible case. This commit shortens two verbose matches in this
way.
This commit is contained in:
Nicholas Nethercote 2024-10-02 14:33:48 +10:00
parent 3386530c91
commit e800967478
2 changed files with 2 additions and 24 deletions
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16
compiler/rustc_infer/src/infer/at.rs
View File

@ -381,21 +381,7 @@ impl<'tcx> ToTrace<'tcx> for ty::GenericArg<'tcx> {
(GenericArgKind::Const(a), GenericArgKind::Const(b)) => {
ValuePairs::Terms(ExpectedFound::new(true, a.into(), b.into()))
}
(
GenericArgKind::Lifetime(_),
GenericArgKind::Type(_) | GenericArgKind::Const(_),
)
| (
GenericArgKind::Type(_),
GenericArgKind::Lifetime(_) | GenericArgKind::Const(_),
)
| (
GenericArgKind::Const(_),
GenericArgKind::Lifetime(_) | GenericArgKind::Type(_),
) => {
bug!("relating different kinds: {a:?} {b:?}")
}
_ => bug!("relating different kinds: {a:?} {b:?}"),
},
}
}

10
compiler/rustc_middle/src/ty/relate.rs
View File

@ -212,15 +212,7 @@ impl<'tcx> Relate<TyCtxt<'tcx>> for ty::GenericArg<'tcx> {
(ty::GenericArgKind::Const(a_ct), ty::GenericArgKind::Const(b_ct)) => {
Ok(relation.relate(a_ct, b_ct)?.into())
}
(ty::GenericArgKind::Lifetime(unpacked), x) => {
bug!("impossible case reached: can't relate: {:?} with {:?}", unpacked, x)
}
(ty::GenericArgKind::Type(unpacked), x) => {
bug!("impossible case reached: can't relate: {:?} with {:?}", unpacked, x)
}
(ty::GenericArgKind::Const(unpacked), x) => {
bug!("impossible case reached: can't relate: {:?} with {:?}", unpacked, x)
}
_ => bug!("impossible case reached: can't relate: {a:?} with {b:?}"),
}
}
}