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Use new if let syntax wherever possible. Fixes #4153.

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This commit is contained in:
Zack Slayton 2015-03-08 18:55:52 -04:00
parent 09c36de8f1
commit 08ac0766ed
25 changed files with 178 additions and 262 deletions
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37
components/script/dom/virtualmethods.rs
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@ -71,18 +71,16 @@ pub trait VirtualMethods {
/// Called when changing or adding attributes, after the attribute's value
/// has been updated.
fn after_set_attr(&self, attr: JSRef<Attr>) {
match self.super_type() {
Some(ref s) => s.after_set_attr(attr),
_ => (),
if let Some(ref s) = self.super_type() {
s.after_set_attr(attr);
}
}
/// Called when changing or removing attributes, before any modification
/// has taken place.
fn before_remove_attr(&self, attr: JSRef<Attr>) {
match self.super_type() {
Some(ref s) => s.before_remove_attr(attr),
_ => (),
if let Some(ref s) = self.super_type() {
s.before_remove_attr(attr);
}
}
@ -98,45 +96,38 @@ pub trait VirtualMethods {
/// Called when a Node is appended to a tree, where 'tree_in_doc' indicates
/// whether the tree is part of a Document.
fn bind_to_tree(&self, tree_in_doc: bool) {
match self.super_type() {
Some(ref s) => s.bind_to_tree(tree_in_doc),
_ => (),
if let Some(ref s) = self.super_type() {
s.bind_to_tree(tree_in_doc);
}
}
/// Called when a Node is removed from a tree, where 'tree_in_doc'
/// indicates whether the tree is part of a Document.
fn unbind_from_tree(&self, tree_in_doc: bool) {
match self.super_type() {
Some(ref s) => s.unbind_from_tree(tree_in_doc),
_ => (),
if let Some(ref s) = self.super_type() {
s.unbind_from_tree(tree_in_doc);
}
}
/// Called on the parent when a node is added to its child list.
fn child_inserted(&self, child: JSRef<Node>) {
match self.super_type() {
Some(ref s) => s.child_inserted(child),
_ => (),
if let Some(ref s) = self.super_type() {
s.child_inserted(child);
}
}
/// Called during event dispatch after the bubbling phase completes.
fn handle_event(&self, event: JSRef<Event>) {
match self.super_type() {
Some(s) => {
s.handle_event(event);
}
_ => (),
if let Some(s) = self.super_type() {
s.handle_event(event);
}
}
/// https://dom.spec.whatwg.org/#concept-node-clone (step 5)
fn cloning_steps(&self, copy: JSRef<Node>, maybe_doc: Option<JSRef<Document>>,
clone_children: CloneChildrenFlag) {
match self.super_type() {
Some(ref s) => s.cloning_steps(copy, maybe_doc, clone_children),
_ => (),
if let Some(ref s) = self.super_type() {
s.cloning_steps(copy, maybe_doc, clone_children);
}
}
}