Remove unneeded INITIAL_IDS const

src/librustdoc/html/render/context.rs

@@ -18,7 +18,7 @@ use super::print_item::{full_path, item_path, print_item};
 use super::write_shared::write_shared;
 use super::{
     print_sidebar, settings, AllTypes, NameDoc, SharedContext, StylePath, BASIC_KEYWORDS,
-    CURRENT_DEPTH, INITIAL_IDS,
+    CURRENT_DEPTH,
 };
 
 use crate::clean::{self, AttributesExt};
@@ -423,14 +423,11 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> {
     }
 
     fn make_child_renderer(&self) -> Self {
-        let mut id_map = IdMap::new();
-        id_map.populate(&INITIAL_IDS);
-
         Self {
             current: self.current.clone(),
             dst: self.dst.clone(),
             render_redirect_pages: self.render_redirect_pages,
-            id_map: RefCell::new(id_map),
+            id_map: RefCell::new(IdMap::new()),
             deref_id_map: RefCell::new(FxHashMap::default()),
             shared: Rc::clone(&self.shared),
             cache: Rc::clone(&self.cache),

src/librustdoc/html/render/mod.rs

@@ -283,24 +283,6 @@ crate struct StylePath {
 
 thread_local!(crate static CURRENT_DEPTH: Cell<usize> = Cell::new(0));
 
-crate const INITIAL_IDS: [&'static str; 15] = [
-    "main",
-    "search",
-    "help",
-    "TOC",
-    "render-detail",
-    "associated-types",
-    "associated-const",
-    "required-methods",
-    "provided-methods",
-    "implementors",
-    "synthetic-implementors",
-    "implementors-list",
-    "synthetic-implementors-list",
-    "methods",
-    "implementations",
-];
-
 fn write_srclink(cx: &Context<'_>, item: &clean::Item, buf: &mut Buffer) {
     if let Some(l) = cx.src_href(item) {
         write!(buf, "<a class=\"srclink\" href=\"{}\" title=\"goto source code\">[src]</a>", l)