Auto merge of servo#138 - nox:heapsize, r=KiChjang

bors-servo · bors-servo · commit 9b38f8988e31 · 2016-02-04T06:18:49.000+05:30
Derive HeapSizeOf for QualName  [<img src="https://reviewable.io/review_button.svg" height="40" alt="Review on Reviewable"/>](https://reviewable.io/reviews/servo/string-cache/138)
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "string_cache"
-version = "0.2.6"
+version = "0.2.7"
 authors = [ "The Servo Project Developers" ]
 description = "A string interning library for Rust, developed as part of the Servo project."
 license = "MIT / Apache-2.0"
diff --git a/src/namespace.rs b/src/namespace.rs
@@ -20,6 +20,7 @@ pub struct Namespace(pub Atom);
 
 /// A name with a namespace.
 #[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Clone)]
+#[cfg_attr(feature = "heap_size", derive(HeapSizeOf))]
 pub struct QualName {
     pub ns: Namespace,
     pub local: Atom,
