Create new Item::is_fake_item method as equivalent to check for is_primitive, is_keyword and is_attribute methods

Author: GuillaumeGomez

src/librustdoc/clean/types.rs

@@ -611,6 +611,17 @@ impl Item {
     pub(crate) fn is_attribute(&self) -> bool {
         self.type_() == ItemType::Attribute
     }
+    /// Returns `true` if the item kind is one of the following:
+    ///
+    /// * `ItemType::Primitive`
+    /// * `ItemType::Keyword`
+    /// * `ItemType::Attribute`
+    ///
+    /// They are considered fake because they only exist thanks to their
+    /// `#[doc(primitive|keyword|attribute)]` attribute.
+    pub(crate) fn is_fake_item(&self) -> bool {
+        matches!(self.type_(), ItemType::Primitive | ItemType::Keyword | ItemType::Attribute)
+    }
     pub(crate) fn is_stripped(&self) -> bool {
         match self.kind {
             StrippedItem(..) => true,

src/librustdoc/html/render/context.rs

@@ -206,7 +206,7 @@ impl<'tcx> Context<'tcx> {
         if !is_module {
             title.push_str(it.name.unwrap().as_str());
         }
-        if !it.is_primitive() && !it.is_keyword() && !it.is_attribute() {
+        if !it.is_fake_item() {
             if !is_module {
                 title.push_str(" in ");
             }

src/librustdoc/html/render/print_item.rs

@@ -199,7 +199,7 @@ pub(super) fn print_item(cx: &Context<'_>, item: &clean::Item) -> impl fmt::Disp
         let src_href =
             if cx.info.include_sources && !item.is_primitive() { cx.src_href(item) } else { None };
 
-        let path_components = if item.is_primitive() || item.is_keyword() || item.is_attribute() {
+        let path_components = if item.is_fake_item() {
             vec![]
         } else {
             let cur = &cx.current;