Auto merge of #92377 - compiler-errors:rustdoc-lifetimes, r=camelid,jyn514

remove in_band_lifetimes from librustdoc

r? `@camelid`

closes #92368

src/librustdoc/clean/mod.rs

@@ -148,7 +148,7 @@ fn clean_trait_ref_with_bindings(
     path
 }
 
-impl Clean<Path> for ty::TraitRef<'tcx> {
+impl Clean<Path> for ty::TraitRef<'_> {
     fn clean(&self, cx: &mut DocContext<'_>) -> Path {
         clean_trait_ref_with_bindings(cx, *self, &[])
     }
@@ -549,7 +549,7 @@ impl Clean<Generics> for hir::Generics<'_> {
 fn clean_ty_generics(
     cx: &mut DocContext<'_>,
     gens: &ty::Generics,
-    preds: ty::GenericPredicates<'tcx>,
+    preds: ty::GenericPredicates<'_>,
 ) -> Generics {
     // Don't populate `cx.impl_trait_bounds` before `clean`ning `where` clauses,
     // since `Clean for ty::Predicate` would consume them.
@@ -579,7 +579,7 @@ fn clean_ty_generics(
         .collect::<Vec<GenericParamDef>>();
 
     // param index -> [(DefId of trait, associated type name, type)]
-    let mut impl_trait_proj = FxHashMap::<u32, Vec<(DefId, Symbol, Ty<'tcx>)>>::default();
+    let mut impl_trait_proj = FxHashMap::<u32, Vec<(DefId, Symbol, Ty<'_>)>>::default();
 
     let where_predicates = preds
         .predicates
@@ -708,8 +708,8 @@ fn clean_ty_generics(
 
 fn clean_fn_or_proc_macro(
     item: &hir::Item<'_>,
-    sig: &'a hir::FnSig<'a>,
-    generics: &'a hir::Generics<'a>,
+    sig: &hir::FnSig<'_>,
+    generics: &hir::Generics<'_>,
     body_id: hir::BodyId,
     name: &mut Symbol,
     cx: &mut DocContext<'_>,
@@ -1387,7 +1387,7 @@ impl Clean<Type> for hir::Ty<'_> {
 }
 
 /// Returns `None` if the type could not be normalized
-fn normalize(cx: &mut DocContext<'tcx>, ty: Ty<'_>) -> Option<Ty<'tcx>> {
+fn normalize<'tcx>(cx: &mut DocContext<'tcx>, ty: Ty<'_>) -> Option<Ty<'tcx>> {
     // HACK: low-churn fix for #79459 while we wait for a trait normalization fix
     if !cx.tcx.sess.opts.debugging_opts.normalize_docs {
         return None;

src/librustdoc/clean/utils.rs

@@ -223,7 +223,7 @@ crate fn name_from_pat(p: &hir::Pat<'_>) -> Symbol {
     })
 }
 
-crate fn print_const(cx: &DocContext<'_>, n: &'tcx ty::Const<'_>) -> String {
+crate fn print_const(cx: &DocContext<'_>, n: &ty::Const<'_>) -> String {
     match n.val {
         ty::ConstKind::Unevaluated(ty::Unevaluated { def, substs_: _, promoted }) => {
             let mut s = if let Some(def) = def.as_local() {
@@ -294,7 +294,7 @@ fn format_integer_with_underscore_sep(num: &str) -> String {
         .collect()
 }
 
-fn print_const_with_custom_print_scalar(tcx: TyCtxt<'_>, ct: &'tcx ty::Const<'tcx>) -> String {
+fn print_const_with_custom_print_scalar(tcx: TyCtxt<'_>, ct: &ty::Const<'_>) -> String {
     // Use a slightly different format for integer types which always shows the actual value.
     // For all other types, fallback to the original `pretty_print_const`.
     match (ct.val, ct.ty.kind()) {
@@ -362,7 +362,7 @@ crate fn resolve_type(cx: &mut DocContext<'_>, path: Path) -> Type {
 }
 
 crate fn get_auto_trait_and_blanket_impls(
-    cx: &mut DocContext<'tcx>,
+    cx: &mut DocContext<'_>,
     item_def_id: DefId,
 ) -> impl Iterator<Item = Item> {
     let auto_impls = cx

src/librustdoc/html/highlight.rs

@@ -187,7 +187,7 @@ struct TokenIter<'a> {
     src: &'a str,
 }
 
-impl Iterator for TokenIter<'a> {
+impl<'a> Iterator for TokenIter<'a> {
     type Item = (TokenKind, &'a str);
     fn next(&mut self) -> Option<(TokenKind, &'a str)> {
         if self.src.is_empty() {
@@ -227,7 +227,7 @@ struct PeekIter<'a> {
     iter: TokenIter<'a>,
 }
 
-impl PeekIter<'a> {
+impl<'a> PeekIter<'a> {
     fn new(iter: TokenIter<'a>) -> Self {
         Self { stored: VecDeque::new(), peek_pos: 0, iter }
     }
@@ -254,7 +254,7 @@ impl PeekIter<'a> {
     }
 }
 
-impl Iterator for PeekIter<'a> {
+impl<'a> Iterator for PeekIter<'a> {
     type Item = (TokenKind, &'a str);
     fn next(&mut self) -> Option<Self::Item> {
         self.peek_pos = 0;

src/librustdoc/html/render/span_map.rs

@@ -92,7 +92,7 @@ impl<'tcx> SpanMapVisitor<'tcx> {
     }
 }
 
-impl Visitor<'tcx> for SpanMapVisitor<'tcx> {
+impl<'tcx> Visitor<'tcx> for SpanMapVisitor<'tcx> {
     type Map = rustc_middle::hir::map::Map<'tcx>;
 
     fn nested_visit_map(&mut self) -> NestedVisitorMap<Self::Map> {

src/librustdoc/html/sources.rs

@@ -142,7 +142,7 @@ impl DocVisitor for SourceCollector<'_, '_> {
     }
 }
 
-impl SourceCollector<'_, 'tcx> {
+impl SourceCollector<'_, '_> {
     /// Renders the given filename into its corresponding HTML source file.
     fn emit_source(
         &mut self,

src/librustdoc/json/mod.rs

@@ -37,7 +37,7 @@ crate struct JsonRenderer<'tcx> {
     cache: Rc<Cache>,
 }
 
-impl JsonRenderer<'tcx> {
+impl<'tcx> JsonRenderer<'tcx> {
     fn sess(&self) -> &'tcx Session {
         self.tcx.sess
     }

src/librustdoc/lib.rs

@@ -8,7 +8,6 @@
 #![feature(box_patterns)]
 #![feature(control_flow_enum)]
 #![feature(box_syntax)]
-#![feature(in_band_lifetimes)]
 #![feature(let_else)]
 #![feature(nll)]
 #![feature(test)]

src/librustdoc/passes/collect_intra_doc_links.rs

@@ -210,7 +210,7 @@ enum MalformedGenerics {
     EmptyAngleBrackets,
 }
 
-impl ResolutionFailure<'a> {
+impl ResolutionFailure<'_> {
     /// This resolved fully (not just partially) but is erroneous for some other reason
     ///
     /// Returns the full resolution of the link, if present.
@@ -336,7 +336,7 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> {
     /// full path segments left in the link.
     ///
     /// [enum struct variant]: hir::VariantData::Struct
-    fn variant_field(
+    fn variant_field<'path>(
         &self,
         path_str: &'path str,
         module_id: DefId,

src/librustdoc/visit_ast.rs

@@ -32,8 +32,8 @@ crate struct Module<'hir> {
     crate foreigns: Vec<(&'hir hir::ForeignItem<'hir>, Option<Symbol>)>,
 }
 
-impl Module<'hir> {
-    crate fn new(name: Symbol, id: hir::HirId, where_inner: Span) -> Module<'hir> {
+impl Module<'_> {
+    crate fn new(name: Symbol, id: hir::HirId, where_inner: Span) -> Self {
         Module { name, id, where_inner, mods: Vec::new(), items: Vec::new(), foreigns: Vec::new() }
     }