Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/compiler/rustc_middle/src/ty/assoc.rs b/compiler/rustc_middle/src/ty/assoc.rs
index 55ee5bd2f..bb7fba3ee 100644
--- a/compiler/rustc_middle/src/ty/assoc.rs
+++ b/compiler/rustc_middle/src/ty/assoc.rs
@@ -37,6 +37,11 @@ impl AssocItem {
         Ident::new(self.name, tcx.def_ident_span(self.def_id).unwrap())
     }
 
+    /// Gets the defaultness of the associated item.
+    /// To get the default associated type, use the [`type_of`] query on the
+    /// [`DefId`] of the type.
+    ///
+    /// [`type_of`]: crate::ty::TyCtxt::type_of
     pub fn defaultness(&self, tcx: TyCtxt<'_>) -> hir::Defaultness {
         tcx.impl_defaultness(self.def_id)
     }
@@ -72,7 +77,7 @@ impl AssocItem {
             ty::AssocKind::Fn => {
                 // We skip the binder here because the binder would deanonymize all
                 // late-bound regions, and we don't want method signatures to show up
-                // `as for<'r> fn(&'r MyType)`.  Pretty-printing handles late-bound
+                // `as for<'r> fn(&'r MyType)`. Pretty-printing handles late-bound
                 // regions just fine, showing `fn(&MyType)`.
                 tcx.fn_sig(self.def_id).skip_binder().to_string()
             }