use rustc_hir::def_id::{CrateNum, DefId, CRATE_DEF_INDEX, LOCAL_CRATE};
use rustc_index::vec::{Idx, IndexVec};
use rustc_infer::infer::region_constraints::{Constraint, RegionConstraintData};
-use rustc_middle::bug;
use rustc_middle::middle::resolve_lifetime as rl;
use rustc_middle::ty::fold::TypeFolder;
use rustc_middle::ty::subst::{InternalSubsts, Subst};
use rustc_middle::ty::{self, AdtKind, Lift, Ty, TyCtxt};
+use rustc_middle::{bug, span_bug};
use rustc_mir::const_eval::{is_const_fn, is_unstable_const_fn};
use rustc_span::hygiene::{AstPass, MacroKind};
use rustc_span::symbol::{kw, sym, Ident, Symbol};
impl Clean<Type> for (ty::TraitRef<'_>, &[TypeBinding]) {
fn clean(&self, cx: &mut DocContext<'_>) -> Type {
let (trait_ref, bounds) = *self;
- let kind = match cx.tcx.def_kind(trait_ref.def_id) {
- DefKind::Trait => ItemType::Trait,
- DefKind::TraitAlias => ItemType::TraitAlias,
- other => bug!("`TraitRef` had unexpected kind {:?}", other),
- };
+ let kind = cx.tcx.def_kind(trait_ref.def_id).into();
+ if !matches!(kind, ItemType::Trait | ItemType::TraitAlias) {
+ span_bug!(
+ cx.tcx.def_span(trait_ref.def_id),
+ "`TraitRef` had unexpected kind {:?}",
+ kind
+ );
+ }
inline::record_extern_fqn(cx, trait_ref.def_id, kind);
let path = external_path(
cx,
-#![feature(trait_alias)]
-#![feature(ptr_metadata)]
+// aux-build:trait-alias-mention.rs
+// build-aux-docs
#![crate_name = "foo"]
-// @has foo/fn.this_never_panics.html '//a[@title="traitalias core::ptr::metadata::Thin"]' 'Thin'
-pub fn this_never_panics<T: std::ptr::Thin>() {
- assert_eq!(std::mem::size_of::<&T>(), std::mem::size_of::<usize>())
+extern crate trait_alias_mention;
+
+// @has foo/fn.mention_alias_in_bounds.html '//a[@href="../trait_alias_mention/traitalias.SomeAlias.html"]' 'SomeAlias'
+pub fn mention_alias_in_bounds<T: trait_alias_mention::SomeAlias>() {
}