From d9f8f686155da67322bcaf8a654596af11b900eb Mon Sep 17 00:00:00 2001
From: Rohan Prinja <rohan.prinja@gmail.com>
Date: Thu, 22 Oct 2015 03:05:13 +0900
Subject: [PATCH] add equal() methods for comparisons with other types

---
 components/script/dom/bindings/js.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/components/script/dom/bindings/js.rs b/components/script/dom/bindings/js.rs
index 5e8ce0d731d..3e4cfeb0fce 100644
--- a/components/script/dom/bindings/js.rs
+++ b/components/script/dom/bindings/js.rs
@@ -251,6 +251,11 @@ impl<T: Reflectable> MutHeap<JS<T>> {
             ptr::read(self.val.get()).root()
         }
     }
+
+    /// Compare this object to an `&T` value.
+    fn eq(&self, other: &T) -> bool {
+        self.get() == Root::from_ref(other)
+    }
 }
 
 impl<T: HeapGCValue> HeapSizeOf for MutHeap<T> {
@@ -325,6 +330,11 @@ impl<T: Reflectable> MutNullableHeap<JS<T>> {
             *self.ptr.get() = val.map(|p| JS::from_ref(p));
         }
     }
+
+    /// Compare this object to an `Option<&T>` value.
+    fn equal(&self, other: Option<&T>) -> bool {
+        self.get() == other.map(|p| Root::from_ref(p))
+    }
 }
 
 impl<T: HeapGCValue> Default for MutNullableHeap<T> {
@@ -344,7 +354,7 @@ impl<T: HeapGCValue> HeapSizeOf for MutNullableHeap<T> {
 }
 
 impl<T: Reflectable> PartialEq for MutNullableHeap<JS<T>> {
-   fn eq(&self, other: &Self>) -> bool {
+    fn eq(&self, other: &Self) -> bool {
         self.get().eq(&other.get())
     }
 }