Use == instead of match for tests against a single enum value

The performance of using == should now equal that of match, so many
identity methods can be simplified to a single line.

Fixes #1596.

src/components/script/dom/comment.rs

@@ -21,10 +21,7 @@ pub struct Comment {
 
 impl CommentDerived for EventTarget {
     fn is_comment(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(CommentNodeTypeId) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(CommentNodeTypeId)
     }
 }
 

src/components/script/dom/document.rs

@@ -69,10 +69,7 @@ pub struct Document {
 
 impl DocumentDerived for EventTarget {
     fn is_document(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(DocumentNodeTypeId) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(DocumentNodeTypeId)
     }
 }
 

src/components/script/dom/documentfragment.rs

@@ -19,10 +19,7 @@ pub struct DocumentFragment {
 
 impl DocumentFragmentDerived for EventTarget {
     fn is_documentfragment(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(DocumentFragmentNodeTypeId) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(DocumentFragmentNodeTypeId)
     }
 }
 

src/components/script/dom/documenttype.rs

@@ -21,10 +21,7 @@ pub struct DocumentType {
 
 impl DocumentTypeDerived for EventTarget {
     fn is_documenttype(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(DoctypeNodeTypeId) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(DoctypeNodeTypeId)
     }
 }
 

src/components/script/dom/htmlanchorelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLAnchorElement {
 
 impl HTMLAnchorElementDerived for EventTarget {
     fn is_htmlanchorelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLAnchorElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLAnchorElementTypeId))
     }
 }
 

src/components/script/dom/htmlappletelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLAppletElement {
 
 impl HTMLAppletElementDerived for EventTarget {
     fn is_htmlappletelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLAppletElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLAppletElementTypeId))
     }
 }
 

src/components/script/dom/htmlareaelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLAreaElement {
 
 impl HTMLAreaElementDerived for EventTarget {
     fn is_htmlareaelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLAreaElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLAreaElementTypeId))
     }
 }
 

src/components/script/dom/htmlaudioelement.rs

@@ -19,10 +19,7 @@ pub struct HTMLAudioElement {
 
 impl HTMLAudioElementDerived for EventTarget {
     fn is_htmlaudioelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLAudioElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLAudioElementTypeId))
     }
 }
 

src/components/script/dom/htmlbaseelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLBaseElement {
 
 impl HTMLBaseElementDerived for EventTarget {
     fn is_htmlbaseelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLBaseElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLBaseElementTypeId))
     }
 }
 

src/components/script/dom/htmlbodyelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLBodyElement {
 
 impl HTMLBodyElementDerived for EventTarget {
     fn is_htmlbodyelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLBodyElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLBodyElementTypeId))
     }
 }
 

src/components/script/dom/htmlbrelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLBRElement {
 
 impl HTMLBRElementDerived for EventTarget {
     fn is_htmlbrelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLBRElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLBRElementTypeId))
     }
 }
 

src/components/script/dom/htmlbuttonelement.rs

@@ -22,10 +22,7 @@ pub struct HTMLButtonElement {
 
 impl HTMLButtonElementDerived for EventTarget {
     fn is_htmlbuttonelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLButtonElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLButtonElementTypeId))
     }
 }
 

src/components/script/dom/htmlcanvaselement.rs

@@ -20,10 +20,7 @@ pub struct HTMLCanvasElement {
 
 impl HTMLCanvasElementDerived for EventTarget {
     fn is_htmlcanvaselement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLCanvasElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLCanvasElementTypeId))
     }
 }
 

src/components/script/dom/htmldataelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLDataElement {
 
 impl HTMLDataElementDerived for EventTarget {
     fn is_htmldataelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLDataElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLDataElementTypeId))
     }
 }
 

src/components/script/dom/htmldatalistelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLDataListElement {
 
 impl HTMLDataListElementDerived for EventTarget {
     fn is_htmldatalistelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLDataListElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLDataListElementTypeId))
     }
 }
 

src/components/script/dom/htmldirectoryelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLDirectoryElement {
 
 impl HTMLDirectoryElementDerived for EventTarget {
     fn is_htmldirectoryelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLDirectoryElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLDirectoryElementTypeId))
     }
 }
 

src/components/script/dom/htmldivelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLDivElement {
 
 impl HTMLDivElementDerived for EventTarget {
     fn is_htmldivelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLDivElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLDivElementTypeId))
     }
 }
 

src/components/script/dom/htmldlistelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLDListElement {
 
 impl HTMLDListElementDerived for EventTarget {
     fn is_htmldlistelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLDListElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLDListElementTypeId))
     }
 }
 

src/components/script/dom/htmlembedelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLEmbedElement {
 
 impl HTMLEmbedElementDerived for EventTarget {
     fn is_htmlembedelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLEmbedElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLEmbedElementTypeId))
     }
 }
 

src/components/script/dom/htmlfieldsetelement.rs

@@ -23,10 +23,7 @@ pub struct HTMLFieldSetElement {
 
 impl HTMLFieldSetElementDerived for EventTarget {
     fn is_htmlfieldsetelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLFieldSetElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLFieldSetElementTypeId))
     }
 }
 

src/components/script/dom/htmlfontelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLFontElement {
 
 impl HTMLFontElementDerived for EventTarget {
     fn is_htmlfontelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLFontElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLFontElementTypeId))
     }
 }
 

src/components/script/dom/htmlformelement.rs

@@ -21,10 +21,7 @@ pub struct HTMLFormElement {
 
 impl HTMLFormElementDerived for EventTarget {
     fn is_htmlformelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLFormElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLFormElementTypeId))
     }
 }
 

src/components/script/dom/htmlframeelement.rs

@@ -21,10 +21,7 @@ pub struct HTMLFrameElement {
 
 impl HTMLFrameElementDerived for EventTarget {
     fn is_htmlframeelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLFrameElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLFrameElementTypeId))
     }
 }
 

src/components/script/dom/htmlframesetelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLFrameSetElement {
 
 impl HTMLFrameSetElementDerived for EventTarget {
     fn is_htmlframesetelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLFrameSetElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLFrameSetElementTypeId))
     }
 }
 

src/components/script/dom/htmlheadelement.rs

@@ -19,10 +19,7 @@ pub struct HTMLHeadElement {
 
 impl HTMLHeadElementDerived for EventTarget {
     fn is_htmlheadelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLHeadElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLHeadElementTypeId))
     }
 }
 

src/components/script/dom/htmlheadingelement.rs

@@ -30,10 +30,7 @@ pub struct HTMLHeadingElement {
 
 impl HTMLHeadingElementDerived for EventTarget {
     fn is_htmlheadingelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLHeadingElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLHeadingElementTypeId))
     }
 }
 

src/components/script/dom/htmlhrelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLHRElement {
 
 impl HTMLHRElementDerived for EventTarget {
     fn is_htmlhrelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLHRElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLHRElementTypeId))
     }
 }
 

src/components/script/dom/htmlhtmlelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLHtmlElement {
 
 impl HTMLHtmlElementDerived for EventTarget {
     fn is_htmlhtmlelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLHtmlElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLHtmlElementTypeId))
     }
 }
 

src/components/script/dom/htmliframeelement.rs

@@ -41,10 +41,7 @@ pub struct HTMLIFrameElement {
 
 impl HTMLIFrameElementDerived for EventTarget {
     fn is_htmliframeelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLIFrameElementTypeId)) => true,
-            _ => false
-        }
+       self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLIFrameElementTypeId))
     }
 }
 

src/components/script/dom/htmlimageelement.rs

@@ -28,10 +28,7 @@ pub struct HTMLImageElement {
 
 impl HTMLImageElementDerived for EventTarget {
     fn is_htmlimageelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLImageElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLImageElementTypeId))
     }
 }
 

src/components/script/dom/htmlinputelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLInputElement {
 
 impl HTMLInputElementDerived for EventTarget {
     fn is_htmlinputelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLInputElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLInputElementTypeId))
     }
 }
 

src/components/script/dom/htmllabelelement.rs

@@ -19,10 +19,7 @@ pub struct HTMLLabelElement {
 
 impl HTMLLabelElementDerived for EventTarget {
     fn is_htmllabelelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLLabelElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLLabelElementTypeId))
     }
 }
 

src/components/script/dom/htmllegendelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLLegendElement {
 
 impl HTMLLegendElementDerived for EventTarget {
     fn is_htmllegendelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLLegendElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLLegendElementTypeId))
     }
 }
 

src/components/script/dom/htmllielement.rs

@@ -20,10 +20,7 @@ pub struct HTMLLIElement {
 
 impl HTMLLIElementDerived for EventTarget {
     fn is_htmllielement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLLIElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLLIElementTypeId))
     }
 }
 

src/components/script/dom/htmllinkelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLLinkElement {
 
 impl HTMLLinkElementDerived for EventTarget {
     fn is_htmllinkelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLLinkElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLLinkElementTypeId))
     }
 }
 

src/components/script/dom/htmlmainelement.rs

@@ -19,10 +19,7 @@ pub struct HTMLMainElement {
 
 impl HTMLMainElementDerived for EventTarget {
     fn is_htmlmainelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLMainElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLMainElementTypeId))
     }
 }
 

src/components/script/dom/htmlmapelement.rs

@@ -21,10 +21,7 @@ pub struct HTMLMapElement {
 
 impl HTMLMapElementDerived for EventTarget {
     fn is_htmlmapelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLMapElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLMapElementTypeId))
     }
 }
 

src/components/script/dom/htmlmetaelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLMetaElement {
 
 impl HTMLMetaElementDerived for EventTarget {
     fn is_htmlmetaelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLMetaElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLMetaElementTypeId))
     }
 }
 

src/components/script/dom/htmlmeterelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLMeterElement {
 
 impl HTMLMeterElementDerived for EventTarget {
     fn is_htmlmeterelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLMeterElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLMeterElementTypeId))
     }
 }
 

src/components/script/dom/htmlmodelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLModElement {
 
 impl HTMLModElementDerived for EventTarget {
     fn is_htmlmodelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLModElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLModElementTypeId))
     }
 }
 

src/components/script/dom/htmlobjectelement.rs

@@ -34,10 +34,7 @@ pub struct HTMLObjectElement {
 
 impl HTMLObjectElementDerived for EventTarget {
     fn is_htmlobjectelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLObjectElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLObjectElementTypeId))
     }
 }
 

src/components/script/dom/htmlolistelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLOListElement {
 
 impl HTMLOListElementDerived for EventTarget {
     fn is_htmlolistelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLOListElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLOListElementTypeId))
     }
 }
 

src/components/script/dom/htmloptgroupelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLOptGroupElement {
 
 impl HTMLOptGroupElementDerived for EventTarget {
     fn is_htmloptgroupelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLOptGroupElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLOptGroupElementTypeId))
     }
 }
 

src/components/script/dom/htmloptionelement.rs

@@ -21,10 +21,7 @@ pub struct HTMLOptionElement {
 
 impl HTMLOptionElementDerived for EventTarget {
     fn is_htmloptionelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLOptionElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLOptionElementTypeId))
     }
 }
 

src/components/script/dom/htmloutputelement.rs

@@ -22,10 +22,7 @@ pub struct HTMLOutputElement {
 
 impl HTMLOutputElementDerived for EventTarget {
     fn is_htmloutputelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLOutputElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLOutputElementTypeId))
     }
 }
 

src/components/script/dom/htmlparagraphelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLParagraphElement {
 
 impl HTMLParagraphElementDerived for EventTarget {
     fn is_htmlparagraphelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLParagraphElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLParagraphElementTypeId))
     }
 }
 

src/components/script/dom/htmlparamelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLParamElement {
 
 impl HTMLParamElementDerived for EventTarget {
     fn is_htmlparamelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLParamElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLParamElementTypeId))
     }
 }
 

src/components/script/dom/htmlpreelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLPreElement {
 
 impl HTMLPreElementDerived for EventTarget {
     fn is_htmlpreelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLPreElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLPreElementTypeId)) 
     }
 }
 

src/components/script/dom/htmlprogresselement.rs

@@ -20,10 +20,7 @@ pub struct HTMLProgressElement {
 
 impl HTMLProgressElementDerived for EventTarget {
     fn is_htmlprogresselement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLProgressElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLProgressElementTypeId))
     }
 }
 

src/components/script/dom/htmlquoteelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLQuoteElement {
 
 impl HTMLQuoteElementDerived for EventTarget {
     fn is_htmlquoteelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLQuoteElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLQuoteElementTypeId))
     }
 }
 

src/components/script/dom/htmlscriptelement.rs

@@ -21,10 +21,7 @@ pub struct HTMLScriptElement {
 
 impl HTMLScriptElementDerived for EventTarget {
     fn is_htmlscriptelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLScriptElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLScriptElementTypeId))
     }
 }
 

src/components/script/dom/htmlselectelement.rs

@@ -24,10 +24,7 @@ pub struct HTMLSelectElement {
 
 impl HTMLSelectElementDerived for EventTarget {
     fn is_htmlselectelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLSelectElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLSelectElementTypeId))
     }
 }
 

src/components/script/dom/htmlsourceelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLSourceElement {
 
 impl HTMLSourceElementDerived for EventTarget {
     fn is_htmlsourceelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLSourceElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLSourceElementTypeId))
     }
 }
 

src/components/script/dom/htmlspanelement.rs

@@ -19,10 +19,7 @@ pub struct HTMLSpanElement {
 
 impl HTMLSpanElementDerived for EventTarget {
     fn is_htmlspanelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLSpanElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLSpanElementTypeId))
     }
 }
 

src/components/script/dom/htmlstyleelement.rs

@@ -23,10 +23,7 @@ pub struct HTMLStyleElement {
 
 impl HTMLStyleElementDerived for EventTarget {
     fn is_htmlstyleelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLStyleElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLStyleElementTypeId))
     }
 }
 

src/components/script/dom/htmltablecaptionelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLTableCaptionElement {
 
 impl HTMLTableCaptionElementDerived for EventTarget {
     fn is_htmltablecaptionelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTableCaptionElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTableCaptionElementTypeId))
     }
 }
 

src/components/script/dom/htmltablecolelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLTableColElement {
 
 impl HTMLTableColElementDerived for EventTarget {
     fn is_htmltablecolelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTableColElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTableColElementTypeId))
     }
 }
 

src/components/script/dom/htmltabledatacellelement.rs

@@ -19,10 +19,7 @@ pub struct HTMLTableDataCellElement {
 
 impl HTMLTableDataCellElementDerived for EventTarget {
     fn is_htmltabledatacellelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTableDataCellElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTableDataCellElementTypeId))
     }
 }
 

src/components/script/dom/htmltableelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLTableElement {
 
 impl HTMLTableElementDerived for EventTarget {
     fn is_htmltableelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTableElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTableElementTypeId))
     }
 }
 

src/components/script/dom/htmltableheadercellelement.rs

@@ -19,10 +19,7 @@ pub struct HTMLTableHeaderCellElement {
 
 impl HTMLTableHeaderCellElementDerived for EventTarget {
     fn is_htmltableheadercellelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTableHeaderCellElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTableHeaderCellElementTypeId))
     }
 }
 

src/components/script/dom/htmltablerowelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLTableRowElement {
 
 impl HTMLTableRowElementDerived for EventTarget {
     fn is_htmltablerowelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTableRowElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTableRowElementTypeId))
     }
 }
 

src/components/script/dom/htmltablesectionelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLTableSectionElement {
 
 impl HTMLTableSectionElementDerived for EventTarget {
     fn is_htmltablesectionelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTableSectionElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTableSectionElementTypeId))
     }
 }
 

src/components/script/dom/htmltemplateelement.rs

@@ -19,10 +19,7 @@ pub struct HTMLTemplateElement {
 
 impl HTMLTemplateElementDerived for EventTarget {
     fn is_htmltemplateelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTemplateElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTemplateElementTypeId))
     }
 }
 

src/components/script/dom/htmltextareaelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLTextAreaElement {
 
 impl HTMLTextAreaElementDerived for EventTarget {
     fn is_htmltextareaelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTextAreaElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTextAreaElementTypeId))
     }
 }
 

src/components/script/dom/htmltimeelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLTimeElement {
 
 impl HTMLTimeElementDerived for EventTarget {
     fn is_htmltimeelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTimeElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTimeElementTypeId))
     }
 }
 

src/components/script/dom/htmltitleelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLTitleElement {
 
 impl HTMLTitleElementDerived for EventTarget {
     fn is_htmltitleelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTitleElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTitleElementTypeId))
     }
 }
 

src/components/script/dom/htmltrackelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLTrackElement {
 
 impl HTMLTrackElementDerived for EventTarget {
     fn is_htmltrackelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLTrackElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLTrackElementTypeId))
     }
 }
 

src/components/script/dom/htmlulistelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLUListElement {
 
 impl HTMLUListElementDerived for EventTarget {
     fn is_htmlulistelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLUListElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLUListElementTypeId))
     }
 }
 

src/components/script/dom/htmlunknownelement.rs

@@ -19,10 +19,7 @@ pub struct HTMLUnknownElement {
 
 impl HTMLUnknownElementDerived for EventTarget {
     fn is_htmlunknownelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLUnknownElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLUnknownElementTypeId))
     }
 }
 

src/components/script/dom/htmlvideoelement.rs

@@ -20,10 +20,7 @@ pub struct HTMLVideoElement {
 
 impl HTMLVideoElementDerived for EventTarget {
     fn is_htmlvideoelement(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ElementNodeTypeId(HTMLVideoElementTypeId)) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ElementNodeTypeId(HTMLVideoElementTypeId))
     }
 }
 

src/components/script/dom/node.rs

@@ -497,36 +497,22 @@ impl<'a> NodeHelpers for JSRef<'a, Node> {
 
     #[inline]
     fn is_document(&self) -> bool {
-        match self.type_id() {
-            DocumentNodeTypeId => true,
-            _ => false
-        }
+        self.type_id() == DocumentNodeTypeId
     }
 
     #[inline]
     fn is_anchor_element(&self) -> bool {
-        match self.type_id() {
-            ElementNodeTypeId(HTMLAnchorElementTypeId) => true,
-            _ => false
-        }
+        self.type_id() == ElementNodeTypeId(HTMLAnchorElementTypeId)
     }
 
     #[inline]
     fn is_doctype(&self) -> bool {
-        match self.type_id {
-            DoctypeNodeTypeId => true,
-            _ => false
-        }
+        self.type_id == DoctypeNodeTypeId
     }
 
     #[inline]
     fn is_text(&self) -> bool {
-        // FIXME(pcwalton): Temporary workaround for the lack of inlining of autogenerated `Eq`
-        // implementations in Rust.
-        match self.type_id() {
-            TextNodeTypeId => true,
-            _ => false
-        }
+        self.type_id() == TextNodeTypeId
     }
 
     fn get_hover_state(&self) -> bool {

src/components/script/dom/processinginstruction.rs

@@ -20,10 +20,7 @@ pub struct ProcessingInstruction {
 
 impl ProcessingInstructionDerived for EventTarget {
     fn is_processinginstruction(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(ProcessingInstructionNodeTypeId) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(ProcessingInstructionNodeTypeId)
     }
 }
 

src/components/script/dom/text.rs

@@ -21,10 +21,7 @@ pub struct Text {
 
 impl TextDerived for EventTarget {
     fn is_text(&self) -> bool {
-        match self.type_id {
-            NodeTargetTypeId(TextNodeTypeId) => true,
-            _ => false
-        }
+        self.type_id == NodeTargetTypeId(TextNodeTypeId)
     }
 }
 

src/components/script/dom/xmlhttprequest.rs

@@ -176,9 +176,6 @@ impl Reflectable for XMLHttpRequest {
 
 impl XMLHttpRequestDerived for EventTarget {
     fn is_xmlhttprequest(&self) -> bool {
-        match self.type_id {
-            XMLHttpRequestTargetTypeId(XMLHttpRequestTypeId) => true,
-            _ => false
-        }
+        self.type_id == XMLHttpRequestTargetTypeId(XMLHttpRequestTypeId)
     }
-}
+}

src/components/script/dom/xmlhttprequestupload.rs

@@ -40,12 +40,9 @@ impl Reflectable for XMLHttpRequestUpload {
 
 impl XMLHttpRequestUploadDerived for EventTarget {
     fn is_xmlhttprequestupload(&self) -> bool {
-        match self.type_id {
-            XMLHttpRequestTargetTypeId(XMLHttpRequestUploadTypeId) => true,
-            _ => false
-        }
+        self.type_id == XMLHttpRequestTargetTypeId(XMLHttpRequestUploadTypeId)
     }
 }
 
 pub trait XMLHttpRequestUploadMethods {
-}
+}