Make DOMString an alias for Option<~str>

Fixes #898.

1 files changed, 2 insertions, 5 deletions

diff --git a/src/components/script/dom/comment.rs b/src/components/script/dom/comment.rs
index 126178ca5d0..c72dc529a40 100644
--- a/src/components/script/dom/comment.rs
+++ b/src/components/script/dom/comment.rs
@@ -2,7 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use dom::bindings::utils::{DOMString, str, null_string, ErrorResult};
+use dom::bindings::utils::{DOMString, ErrorResult, null_str_as_empty};
 use dom::characterdata::CharacterData;
 use dom::node::{AbstractNode, ScriptView, CommentNodeTypeId, Node};
 use dom::window::Window;
@@ -21,10 +21,7 @@ impl Comment {
     }
 
     pub fn Constructor(owner: @mut Window, data: &DOMString, _rv: &mut ErrorResult) -> AbstractNode<ScriptView> {
-        let s = match *data {
-            str(ref s) => s.clone(),
-            null_string => ~""
-        };
+        let s = null_str_as_empty(data);
         unsafe {
             let compartment = (*owner.page).js_info.get_ref().js_compartment;
             Node::as_abstract_node(compartment.cx.ptr, @Comment::new(s))