diff options
Diffstat (limited to 'src/librustdoc/clean/utils.rs')
| -rw-r--r-- | src/librustdoc/clean/utils.rs | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index 246560bad..a12f764fa 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -78,12 +78,16 @@ pub(crate) fn krate(cx: &mut DocContext<'_>) -> Crate { pub(crate) fn substs_to_args<'tcx>( cx: &mut DocContext<'tcx>, - substs: &[ty::subst::GenericArg<'tcx>], + substs: ty::Binder<'tcx, &[ty::subst::GenericArg<'tcx>]>, mut skip_first: bool, ) -> Vec<GenericArg> { let mut ret_val = - Vec::with_capacity(substs.len().saturating_sub(if skip_first { 1 } else { 0 })); - ret_val.extend(substs.iter().filter_map(|kind| match kind.unpack() { + Vec::with_capacity(substs.skip_binder().len().saturating_sub(if skip_first { + 1 + } else { + 0 + })); + ret_val.extend(substs.iter().filter_map(|kind| match kind.skip_binder().unpack() { GenericArgKind::Lifetime(lt) => { Some(GenericArg::Lifetime(clean_middle_region(lt).unwrap_or(Lifetime::elided()))) } @@ -91,8 +95,12 @@ pub(crate) fn substs_to_args<'tcx>( skip_first = false; None } - GenericArgKind::Type(ty) => Some(GenericArg::Type(clean_middle_ty(ty, cx, None))), - GenericArgKind::Const(ct) => Some(GenericArg::Const(Box::new(clean_middle_const(ct, cx)))), + GenericArgKind::Type(ty) => { + Some(GenericArg::Type(clean_middle_ty(kind.rebind(ty), cx, None))) + } + GenericArgKind::Const(ct) => { + Some(GenericArg::Const(Box::new(clean_middle_const(kind.rebind(ct), cx)))) + } })); ret_val } @@ -102,15 +110,20 @@ fn external_generic_args<'tcx>( did: DefId, has_self: bool, bindings: ThinVec<TypeBinding>, - substs: SubstsRef<'tcx>, + substs: ty::Binder<'tcx, SubstsRef<'tcx>>, ) -> GenericArgs { - let args = substs_to_args(cx, substs, has_self); + let args = substs_to_args(cx, substs.map_bound(|substs| &substs[..]), has_self); if cx.tcx.fn_trait_kind_from_def_id(did).is_some() { + let ty = substs + .iter() + .nth(if has_self { 1 } else { 0 }) + .unwrap() + .map_bound(|arg| arg.expect_ty()); let inputs = // The trait's first substitution is the one after self, if there is one. - match substs.iter().nth(if has_self { 1 } else { 0 }).unwrap().expect_ty().kind() { - ty::Tuple(tys) => tys.iter().map(|t| clean_middle_ty(t, cx, None)).collect::<Vec<_>>().into(), + match ty.skip_binder().kind() { + ty::Tuple(tys) => tys.iter().map(|t| clean_middle_ty(ty.rebind(t), cx, None)).collect::<Vec<_>>().into(), _ => return GenericArgs::AngleBracketed { args: args.into(), bindings }, }; let output = bindings.into_iter().next().and_then(|binding| match binding.kind { @@ -130,7 +143,7 @@ pub(super) fn external_path<'tcx>( did: DefId, has_self: bool, bindings: ThinVec<TypeBinding>, - substs: SubstsRef<'tcx>, + substs: ty::Binder<'tcx, SubstsRef<'tcx>>, ) -> Path { let def_kind = cx.tcx.def_kind(did); let name = cx.tcx.item_name(did); |