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rustdoc: render for<> param lists of cross-crate trait-object types

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This commit is contained in:
León Orell Valerian Liehr 2022-11-02 15:20:44 +01:00
parent 2d9755fa21
commit 1ac7034481
1 changed files with 19 additions and 2 deletions
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21
src/librustdoc/clean/mod.rs
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@ -12,7 +12,7 @@ pub(crate) mod utils;
use rustc_ast as ast;
use rustc_attr as attr;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexSet};
use rustc_hir as hir;
use rustc_hir::def::{CtorKind, DefKind, Res};
use rustc_hir::def_id::{DefId, LOCAL_CRATE};
@ -1710,8 +1710,25 @@ pub(crate) fn clean_middle_ty<'tcx>(
})
.collect();
let late_bound_regions: FxIndexSet<_> = obj
.iter()
.flat_map(|pb| pb.bound_vars())
.filter_map(|br| match br {
ty::BoundVariableKind::Region(ty::BrNamed(_, name))
if name != kw::UnderscoreLifetime =>
{
Some(GenericParamDef {
name,
kind: GenericParamDefKind::Lifetime { outlives: vec![] },
})
}
_ => None,
})
.collect();
let late_bound_regions = late_bound_regions.into_iter().collect();
let path = external_path(cx, did, false, bindings, substs);
bounds.insert(0, PolyTrait { trait_: path, generic_params: Vec::new() });
bounds.insert(0, PolyTrait { trait_: path, generic_params: late_bound_regions });
DynTrait(bounds, lifetime)
}