X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Flibrustdoc%2Fclean%2Fmod.rs;h=20a5a6c54984d0bed6dd310df67780dbdd35cc8e;hb=482dc77dee59dd44448973758980806bd63aa5a3;hp=be9654612f504e91163a02adc414d459735c08bd;hpb=1c9b8036bf25b68af7751a1db4a07f98808c0ee7;p=rust.git

diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs
index be9654612f5..20a5a6c5498 100644
--- a/src/librustdoc/clean/mod.rs
+++ b/src/librustdoc/clean/mod.rs
@@ -1122,7 +1122,9 @@ fn clean(&self, cx: &DocContext<'_>) -> Item {
                 MethodItem((sig, &self.generics, body, Some(self.defaultness)).clean(cx))
             }
             hir::ImplItemKind::TyAlias(ref ty) => {
-                TypedefItem(Typedef { type_: ty.clean(cx), generics: Generics::default() }, true)
+                let type_ = ty.clean(cx);
+                let item_type = type_.def_id().and_then(|did| inline::build_ty(cx, did));
+                TypedefItem(Typedef { type_, generics: Generics::default(), item_type }, true)
             }
             hir::ImplItemKind::OpaqueTy(ref bounds) => OpaqueTyItem(
                 OpaqueTy { bounds: bounds.clean(cx), generics: Generics::default() },
@@ -1282,10 +1284,13 @@ fn clean(&self, cx: &DocContext<'_>) -> Item {
 
                     AssocTypeItem(bounds, ty.clean(cx))
                 } else {
+                    let type_ = cx.tcx.type_of(self.def_id).clean(cx);
+                    let item_type = type_.def_id().and_then(|did| inline::build_ty(cx, did));
                     TypedefItem(
                         Typedef {
-                            type_: cx.tcx.type_of(self.def_id).clean(cx),
+                            type_,
                             generics: Generics { params: Vec::new(), where_predicates: Vec::new() },
+                            item_type,
                         },
                         true,
                     )
@@ -1989,6 +1994,8 @@ fn clean(&self, _: &DocContext<'_>) -> String {
 
 impl Clean<Item> for doctree::Typedef<'_> {
     fn clean(&self, cx: &DocContext<'_>) -> Item {
+        let type_ = self.ty.clean(cx);
+        let item_type = type_.def_id().and_then(|did| inline::build_ty(cx, did));
         Item {
             name: Some(self.name.clean(cx)),
             attrs: self.attrs.clean(cx),
@@ -1997,10 +2004,7 @@ fn clean(&self, cx: &DocContext<'_>) -> Item {
             visibility: self.vis.clean(cx),
             stability: cx.stability(self.id).clean(cx),
             deprecation: cx.deprecation(self.id).clean(cx),
-            inner: TypedefItem(
-                Typedef { type_: self.ty.clean(cx), generics: self.gen.clean(cx) },
-                false,
-            ),
+            inner: TypedefItem(Typedef { type_, generics: self.gen.clean(cx), item_type }, false),
         }
     }
 }
@@ -2101,7 +2105,7 @@ fn clean(&self, cx: &DocContext<'_>) -> Vec<Item> {
             build_deref_target_impls(cx, &items, &mut ret);
         }
 
-        let provided = trait_
+        let provided: FxHashSet<String> = trait_
             .def_id()
             .map(|did| {
                 cx.tcx
@@ -2112,7 +2116,12 @@ fn clean(&self, cx: &DocContext<'_>) -> Vec<Item> {
             })
             .unwrap_or_default();
 
-        ret.push(Item {
+        let for_ = self.for_.clean(cx);
+        let type_alias = for_.def_id().and_then(|did| match cx.tcx.def_kind(did) {
+            Some(DefKind::TyAlias) => Some(cx.tcx.type_of(did).clean(cx)),
+            _ => None,
+        });
+        let make_item = |trait_: Option<Type>, for_: Type, items: Vec<Item>| Item {
             name: None,
             attrs: self.attrs.clean(cx),
             source: self.whence.clean(cx),
@@ -2123,15 +2132,19 @@ fn clean(&self, cx: &DocContext<'_>) -> Vec<Item> {
             inner: ImplItem(Impl {
                 unsafety: self.unsafety,
                 generics: self.generics.clean(cx),
-                provided_trait_methods: provided,
+                provided_trait_methods: provided.clone(),
                 trait_,
-                for_: self.for_.clean(cx),
+                for_,
                 items,
                 polarity: Some(cx.tcx.impl_polarity(def_id).clean(cx)),
                 synthetic: false,
                 blanket_impl: None,
             }),
-        });
+        };
+        if let Some(type_alias) = type_alias {
+            ret.push(make_item(trait_.clone(), type_alias, items.clone()));
+        }
+        ret.push(make_item(trait_, for_, items));
         ret
     }
 }