Provide a Default implementation for AtomicPtr

Closes rust-lang#24613
shepmaster · Apr 26, 2015 · 7c548a2 · 7c548a2
1 parent da62384
commit 7c548a2
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/libcore/atomic.rs b/src/libcore/atomic.rs
@@ -129,6 +129,12 @@ pub struct AtomicPtr<T> {
     _marker: PhantomData<*mut T>,
 }
 
+impl<T> Default for AtomicPtr<T> {
+    fn default() -> AtomicPtr<T> {
+        AtomicPtr::new(::ptr::null_mut())
+    }
+}
+
 unsafe impl<T> Sync for AtomicPtr<T> {}
 
 /// Atomic memory orderings