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Address nits

- Remove the ValuePairs glob import
- Make DummyPairs -> ValuePairs::Dummy and make it bug more
- Fix WC
- Make interner return `impl IntoIterator`s
This commit is contained in:
Michael Goulet 2024-06-13 09:47:42 -04:00
parent a2fb2ebc17
commit c8e42065f0
9 changed files with 85 additions and 78 deletions

View file

@ -347,7 +347,7 @@ impl<'tcx> ToTrace<'tcx> for Ty<'tcx> {
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())),
values: ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())),
}
}
}
@ -359,7 +359,10 @@ impl<'tcx> ToTrace<'tcx> for ty::Region<'tcx> {
a: Self,
b: Self,
) -> TypeTrace<'tcx> {
TypeTrace { cause: cause.clone(), values: Regions(ExpectedFound::new(a_is_expected, a, b)) }
TypeTrace {
cause: cause.clone(),
values: ValuePairs::Regions(ExpectedFound::new(a_is_expected, a, b)),
}
}
}
@ -372,7 +375,7 @@ impl<'tcx> ToTrace<'tcx> for Const<'tcx> {
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())),
values: ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())),
}
}
}
@ -388,13 +391,13 @@ impl<'tcx> ToTrace<'tcx> for ty::GenericArg<'tcx> {
cause: cause.clone(),
values: match (a.unpack(), b.unpack()) {
(GenericArgKind::Lifetime(a), GenericArgKind::Lifetime(b)) => {
Regions(ExpectedFound::new(a_is_expected, a, b))
ValuePairs::Regions(ExpectedFound::new(a_is_expected, a, b))
}
(GenericArgKind::Type(a), GenericArgKind::Type(b)) => {
Terms(ExpectedFound::new(a_is_expected, a.into(), b.into()))
ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into()))
}
(GenericArgKind::Const(a), GenericArgKind::Const(b)) => {
Terms(ExpectedFound::new(a_is_expected, a.into(), b.into()))
ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into()))
}
(
@ -423,7 +426,10 @@ impl<'tcx> ToTrace<'tcx> for ty::Term<'tcx> {
a: Self,
b: Self,
) -> TypeTrace<'tcx> {
TypeTrace { cause: cause.clone(), values: Terms(ExpectedFound::new(a_is_expected, a, b)) }
TypeTrace {
cause: cause.clone(),
values: ValuePairs::Terms(ExpectedFound::new(a_is_expected, a, b)),
}
}
}
@ -436,7 +442,7 @@ impl<'tcx> ToTrace<'tcx> for ty::TraitRef<'tcx> {
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: TraitRefs(ExpectedFound::new(a_is_expected, a, b)),
values: ValuePairs::TraitRefs(ExpectedFound::new(a_is_expected, a, b)),
}
}
}
@ -450,7 +456,7 @@ impl<'tcx> ToTrace<'tcx> for ty::AliasTy<'tcx> {
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: Aliases(ExpectedFound::new(a_is_expected, a.into(), b.into())),
values: ValuePairs::Aliases(ExpectedFound::new(a_is_expected, a.into(), b.into())),
}
}
}
@ -462,7 +468,10 @@ impl<'tcx> ToTrace<'tcx> for ty::AliasTerm<'tcx> {
a: Self,
b: Self,
) -> TypeTrace<'tcx> {
TypeTrace { cause: cause.clone(), values: Aliases(ExpectedFound::new(a_is_expected, a, b)) }
TypeTrace {
cause: cause.clone(),
values: ValuePairs::Aliases(ExpectedFound::new(a_is_expected, a, b)),
}
}
}
@ -475,7 +484,7 @@ impl<'tcx> ToTrace<'tcx> for ty::FnSig<'tcx> {
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: PolySigs(ExpectedFound::new(
values: ValuePairs::PolySigs(ExpectedFound::new(
a_is_expected,
ty::Binder::dummy(a),
ty::Binder::dummy(b),
@ -493,7 +502,7 @@ impl<'tcx> ToTrace<'tcx> for ty::PolyFnSig<'tcx> {
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: PolySigs(ExpectedFound::new(a_is_expected, a, b)),
values: ValuePairs::PolySigs(ExpectedFound::new(a_is_expected, a, b)),
}
}
}
@ -507,7 +516,7 @@ impl<'tcx> ToTrace<'tcx> for ty::PolyExistentialTraitRef<'tcx> {
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: ExistentialTraitRef(ExpectedFound::new(a_is_expected, a, b)),
values: ValuePairs::ExistentialTraitRef(ExpectedFound::new(a_is_expected, a, b)),
}
}
}
@ -521,7 +530,7 @@ impl<'tcx> ToTrace<'tcx> for ty::PolyExistentialProjection<'tcx> {
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: ExistentialProjection(ExpectedFound::new(a_is_expected, a, b)),
values: ValuePairs::ExistentialProjection(ExpectedFound::new(a_is_expected, a, b)),
}
}
}

View file

@ -1707,7 +1707,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
ValuePairs::ExistentialProjection(_) => {
(false, Mismatch::Fixed("existential projection"))
}
infer::DummyPair => (false, Mismatch::Fixed("values")),
ValuePairs::Dummy => {
bug!("do not expect to report a type error from a ValuePairs::Dummy")
}
};
let Some(vals) = self.values_str(values) else {
// Derived error. Cancel the emitter.
@ -2251,12 +2253,12 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
values: ValuePairs<'tcx>,
) -> Option<(DiagStyledString, DiagStyledString, Option<PathBuf>)> {
match values {
infer::Regions(exp_found) => self.expected_found_str(exp_found),
infer::Terms(exp_found) => self.expected_found_str_term(exp_found),
infer::Aliases(exp_found) => self.expected_found_str(exp_found),
infer::ExistentialTraitRef(exp_found) => self.expected_found_str(exp_found),
infer::ExistentialProjection(exp_found) => self.expected_found_str(exp_found),
infer::TraitRefs(exp_found) => {
ValuePairs::Regions(exp_found) => self.expected_found_str(exp_found),
ValuePairs::Terms(exp_found) => self.expected_found_str_term(exp_found),
ValuePairs::Aliases(exp_found) => self.expected_found_str(exp_found),
ValuePairs::ExistentialTraitRef(exp_found) => self.expected_found_str(exp_found),
ValuePairs::ExistentialProjection(exp_found) => self.expected_found_str(exp_found),
ValuePairs::TraitRefs(exp_found) => {
let pretty_exp_found = ty::error::ExpectedFound {
expected: exp_found.expected.print_trait_sugared(),
found: exp_found.found.print_trait_sugared(),
@ -2268,7 +2270,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
ret => ret,
}
}
infer::PolySigs(exp_found) => {
ValuePairs::PolySigs(exp_found) => {
let exp_found = self.resolve_vars_if_possible(exp_found);
if exp_found.references_error() {
return None;
@ -2276,7 +2278,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
let (exp, fnd) = self.cmp_fn_sig(&exp_found.expected, &exp_found.found);
Some((exp, fnd, None))
}
infer::DummyPair => None,
ValuePairs::Dummy => {
bug!("do not expect to report a type error from a ValuePairs::Dummy")
}
}
}

View file

@ -9,7 +9,6 @@ pub use rustc_middle::ty::IntVarValue;
pub use BoundRegionConversionTime::*;
pub use RegionVariableOrigin::*;
pub use SubregionOrigin::*;
pub use ValuePairs::*;
use crate::infer::relate::{Relate, RelateResult};
use crate::traits::{self, ObligationCause, ObligationInspector, PredicateObligation, TraitEngine};
@ -484,7 +483,7 @@ pub enum ValuePairs<'tcx> {
PolySigs(ExpectedFound<ty::PolyFnSig<'tcx>>),
ExistentialTraitRef(ExpectedFound<ty::PolyExistentialTraitRef<'tcx>>),
ExistentialProjection(ExpectedFound<ty::PolyExistentialProjection<'tcx>>),
DummyPair,
Dummy,
}
impl<'tcx> ValuePairs<'tcx> {
@ -1880,7 +1879,7 @@ impl<'tcx> TypeTrace<'tcx> {
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())),
values: ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())),
}
}
@ -1892,7 +1891,7 @@ impl<'tcx> TypeTrace<'tcx> {
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: TraitRefs(ExpectedFound::new(a_is_expected, a, b)),
values: ValuePairs::TraitRefs(ExpectedFound::new(a_is_expected, a, b)),
}
}
@ -1904,12 +1903,12 @@ impl<'tcx> TypeTrace<'tcx> {
) -> TypeTrace<'tcx> {
TypeTrace {
cause: cause.clone(),
values: Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())),
values: ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())),
}
}
fn dummy(cause: &ObligationCause<'tcx>) -> TypeTrace<'tcx> {
TypeTrace { cause: cause.clone(), values: ValuePairs::DummyPair }
TypeTrace { cause: cause.clone(), values: ValuePairs::Dummy }
}
}