Rollup merge of rust-lang#82033 - magurotuna:issue82016, r=jyn514

Refactor `get_word_attr` to return only `Option`

This commit removes `bool` from the return type of `NestedAttributesExt::get_word_attr` so it will return only `Option<ast::NestedMetaItem>` for less redundancy.

Closes rust-lang#82016

r? `@jyn514`

Author: JohnTitor

src/librustdoc/clean/mod.rs

@@ -2161,18 +2161,20 @@ fn clean_use_statement(
         return Vec::new();
     }
 
-    let (doc_meta_item, please_inline) = import.attrs.lists(sym::doc).get_word_attr(sym::inline);
+    let inline_attr = import.attrs.lists(sym::doc).get_word_attr(sym::inline);
     let pub_underscore = import.vis.node.is_pub() && name == kw::Underscore;
 
-    if pub_underscore && please_inline {
-        rustc_errors::struct_span_err!(
-            cx.tcx.sess,
-            doc_meta_item.unwrap().span(),
-            E0780,
-            "anonymous imports cannot be inlined"
-        )
-        .span_label(import.span, "anonymous import")
-        .emit();
+    if pub_underscore {
+        if let Some(ref inline) = inline_attr {
+            rustc_errors::struct_span_err!(
+                cx.tcx.sess,
+                inline.span(),
+                E0780,
+                "anonymous imports cannot be inlined"
+            )
+            .span_label(import.span, "anonymous import")
+            .emit();
+        }
     }
 
     // We consider inlining the documentation of `pub use` statements, but we
@@ -2205,7 +2207,7 @@ fn clean_use_statement(
         }
         Import::new_glob(resolve_use_source(cx, path), true)
     } else {
-        if !please_inline {
+        if inline_attr.is_none() {
             if let Res::Def(DefKind::Mod, did) = path.res {
                 if !did.is_local() && did.index == CRATE_DEF_INDEX {
                     // if we're `pub use`ing an extern crate root, don't inline it unless we

src/librustdoc/clean/types.rs

@@ -438,7 +438,7 @@ impl AttributesExt for [ast::Attribute] {
 crate trait NestedAttributesExt {
     /// Returns `true` if the attribute list contains a specific `Word`
     fn has_word(self, word: Symbol) -> bool;
-    fn get_word_attr(self, word: Symbol) -> (Option<ast::NestedMetaItem>, bool);
+    fn get_word_attr(self, word: Symbol) -> Option<ast::NestedMetaItem>;
 }
 
 impl<I: Iterator<Item = ast::NestedMetaItem> + IntoIterator<Item = ast::NestedMetaItem>>
@@ -448,11 +448,8 @@ impl<I: Iterator<Item = ast::NestedMetaItem> + IntoIterator<Item = ast::NestedMe
         self.into_iter().any(|attr| attr.is_word() && attr.has_name(word))
     }
 
-    fn get_word_attr(mut self, word: Symbol) -> (Option<ast::NestedMetaItem>, bool) {
-        match self.find(|attr| attr.is_word() && attr.has_name(word)) {
-            Some(a) => (Some(a), true),
-            None => (None, false),
-        }
+    fn get_word_attr(mut self, word: Symbol) -> Option<ast::NestedMetaItem> {
+        self.find(|attr| attr.is_word() && attr.has_name(word))
     }
 }