Remove unnecessary sigils around Symbol::as_str() calls.

Author: nnethercote

src/attr.rs

@@ -337,7 +337,7 @@ impl Rewrite for ast::Attribute {
         } else {
             let should_skip = self
                 .ident()
-                .map(|s| context.skip_context.skip_attribute(&s.name.as_str()))
+                .map(|s| context.skip_context.skip_attribute(s.name.as_str()))
                 .unwrap_or(false);
             let prefix = attr_prefix(self);
 
@@ -356,7 +356,7 @@ impl Rewrite for ast::Attribute {
 
                         let literal_str = literal.as_str();
                         let doc_comment_formatter =
-                            DocCommentFormatter::new(&*literal_str, comment_style);
+                            DocCommentFormatter::new(literal_str, comment_style);
                         let doc_comment = format!("{}", doc_comment_formatter);
                         return rewrite_doc_comment(
                             &doc_comment,

src/modules.rs

@@ -455,7 +455,7 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> {
 
     fn push_inline_mod_directory(&mut self, id: symbol::Ident, attrs: &[ast::Attribute]) {
         if let Some(path) = find_path_value(attrs) {
-            self.directory.path.push(&*path.as_str());
+            self.directory.path.push(path.as_str());
             self.directory.ownership = DirectoryOwnership::Owned { relative: None };
         } else {
             // We have to push on the current module name in the case of relative

src/utils.rs

@@ -260,7 +260,7 @@ fn is_skip(meta_item: &MetaItem) -> bool {
     match meta_item.kind {
         MetaItemKind::Word => {
             let path_str = pprust::path_to_string(&meta_item.path);
-            path_str == *skip_annotation().as_str() || path_str == *depr_skip_annotation().as_str()
+            path_str == skip_annotation().as_str() || path_str == depr_skip_annotation().as_str()
         }
         MetaItemKind::List(ref l) => {
             meta_item.has_name(sym::cfg_attr) && l.len() == 2 && is_skip_nested(&l[1])