1 files changed, 1 insertions, 1 deletions
diff --git a/src/libcore/dvec.rs b/src/libcore/dvec.rs
index 1540eb30fe5..1b6a7522864 100644
--- a/src/libcore/dvec.rs
+++ b/src/libcore/dvec.rs
@@ -56,7 +56,7 @@ pub enum DVec<A> {
 }
 
 /// Creates a new, empty dvec
-pub fn DVec<A>() -> DVec<A> {
+pub pure fn DVec<A>() -> DVec<A> {
     DVec_({mut data: ~[]})
 }