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nits: Cleanups in librustdoc::clean #134799

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merged 1 commit into from
Dec 29, 2024
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nits: Cleanups in librustdoc::clean #134799

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22 changes: 10 additions & 12 deletions src/librustdoc/clean/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -268,7 +268,7 @@ fn clean_poly_trait_ref_with_constraints<'tcx>(
)
}

fn clean_lifetime(lifetime: &hir::Lifetime, cx: &mut DocContext<'_>) -> Lifetime {
fn clean_lifetime(lifetime: &hir::Lifetime, cx: &DocContext<'_>) -> Lifetime {
if let Some(
rbv::ResolvedArg::EarlyBound(did)
| rbv::ResolvedArg::LateBound(_, _, did)
Expand Down Expand Up @@ -362,9 +362,9 @@ pub(crate) fn clean_predicate<'tcx>(
let bound_predicate = predicate.kind();
match bound_predicate.skip_binder() {
ty::ClauseKind::Trait(pred) => clean_poly_trait_predicate(bound_predicate.rebind(pred), cx),
ty::ClauseKind::RegionOutlives(pred) => clean_region_outlives_predicate(pred),
ty::ClauseKind::RegionOutlives(pred) => Some(clean_region_outlives_predicate(pred)),
ty::ClauseKind::TypeOutlives(pred) => {
clean_type_outlives_predicate(bound_predicate.rebind(pred), cx)
Some(clean_type_outlives_predicate(bound_predicate.rebind(pred), cx))
}
ty::ClauseKind::Projection(pred) => {
Some(clean_projection_predicate(bound_predicate.rebind(pred), cx))
Expand Down Expand Up @@ -396,32 +396,30 @@ fn clean_poly_trait_predicate<'tcx>(
})
}

fn clean_region_outlives_predicate(
pred: ty::RegionOutlivesPredicate<'_>,
) -> Option<WherePredicate> {
fn clean_region_outlives_predicate(pred: ty::RegionOutlivesPredicate<'_>) -> WherePredicate {
let ty::OutlivesPredicate(a, b) = pred;

Some(WherePredicate::RegionPredicate {
WherePredicate::RegionPredicate {
lifetime: clean_middle_region(a).expect("failed to clean lifetime"),
bounds: vec![GenericBound::Outlives(
clean_middle_region(b).expect("failed to clean bounds"),
)],
})
}
}

fn clean_type_outlives_predicate<'tcx>(
pred: ty::Binder<'tcx, ty::TypeOutlivesPredicate<'tcx>>,
cx: &mut DocContext<'tcx>,
) -> Option<WherePredicate> {
) -> WherePredicate {
let ty::OutlivesPredicate(ty, lt) = pred.skip_binder();

Some(WherePredicate::BoundPredicate {
WherePredicate::BoundPredicate {
ty: clean_middle_ty(pred.rebind(ty), cx, None, None),
bounds: vec![GenericBound::Outlives(
clean_middle_region(lt).expect("failed to clean lifetimes"),
)],
bound_params: Vec::new(),
})
}
}

fn clean_middle_term<'tcx>(
Expand Down Expand Up @@ -1860,7 +1858,7 @@ pub(crate) fn clean_ty<'tcx>(ty: &hir::Ty<'tcx>, cx: &mut DocContext<'tcx>) -> T

/// Returns `None` if the type could not be normalized
fn normalize<'tcx>(
cx: &mut DocContext<'tcx>,
cx: &DocContext<'tcx>,
ty: ty::Binder<'tcx, Ty<'tcx>>,
) -> Option<ty::Binder<'tcx, Ty<'tcx>>> {
// HACK: low-churn fix for #79459 while we wait for a trait normalization fix
Expand Down
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