1 files changed, 8 insertions, 8 deletions

diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs
index 3a51a5859a7..0d0592fa51e 100644
--- a/components/script/dom/document.rs
+++ b/components/script/dom/document.rs
@@ -933,7 +933,7 @@ impl Document {
     pub fn register_form_id_listener<T: ?Sized + FormControl>(&self, id: DOMString, listener: &T) {
         let mut map = self.form_id_listener_map.borrow_mut();
         let listener = listener.to_element();
-        let set = map.entry(Atom::from(id)).or_insert(HashSet::new());
+        let set = map.entry(Atom::from(id)).or_default();
         set.insert(Dom::from_ref(listener));
     }
 
@@ -1075,7 +1075,7 @@ impl Document {
 
     /// <https://html.spec.whatwg.org/multipage/#focus-fixup-rule>
     pub(crate) fn perform_focus_fixup_rule(&self, not_focusable: &Element) {
-        if Some(not_focusable) != self.focused.get().as_ref().map(|e| &**e) {
+        if Some(not_focusable) != self.focused.get().as_deref() {
             return;
         }
         self.request_focus(
@@ -1114,7 +1114,7 @@ impl Document {
             },
         };
         *self.focus_transaction.borrow_mut() = FocusTransaction::NotInTransaction;
-        if self.focused == possibly_focused.as_ref().map(|e| &**e) {
+        if self.focused == possibly_focused.as_deref() {
             return;
         }
         if let Some(ref elem) = self.focused.get() {
@@ -1129,7 +1129,7 @@ impl Document {
             }
         }
 
-        self.focused.set(possibly_focused.as_ref().map(|e| &**e));
+        self.focused.set(possibly_focused.as_deref());
 
         if let Some(ref elem) = self.focused.get() {
             elem.set_focus_state(true);
@@ -1152,7 +1152,7 @@ impl Document {
                 let (text, multiline) = if let Some(input) = elem.downcast::<HTMLInputElement>() {
                     (
                         Some((
-                            (&input.Value()).to_string(),
+                            input.Value().to_string(),
                             input.GetSelectionEnd().unwrap_or(0) as i32,
                         )),
                         false,
@@ -1160,7 +1160,7 @@ impl Document {
                 } else if let Some(textarea) = elem.downcast::<HTMLTextAreaElement>() {
                     (
                         Some((
-                            (&textarea.Value()).to_string(),
+                            textarea.Value().to_string(),
                             textarea.GetSelectionEnd().unwrap_or(0) as i32,
                         )),
                         true,
@@ -1188,7 +1188,7 @@ impl Document {
                 title.clone(),
             ));
             let global = self.window.upcast::<GlobalScope>();
-            if let Some(ref chan) = global.devtools_chan() {
+            if let Some(chan) = global.devtools_chan() {
                 let _ = chan.send(ScriptToDevtoolsControlMsg::TitleChanged(
                     global.pipeline_id(),
                     title,
@@ -3031,7 +3031,7 @@ fn get_registrable_domain_suffix_of_or_is_equal_to(
         let index = original_host.len().checked_sub(host.len())?;
         let (prefix, suffix) = original_host.split_at(index);
 
-        if !prefix.ends_with(".") {
+        if !prefix.ends_with('.') {
             return None;
         }
         if suffix != host {