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-rw-r--r--src/libcore/num/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs
index 6507bb7bf8c..e942e8b6923 100644
--- a/src/libcore/num/mod.rs
+++ b/src/libcore/num/mod.rs
@@ -39,7 +39,7 @@ use slice::SliceExt;
 /// all standard arithmetic operations on the underlying value are
 /// intended to have wrapping semantics.
 #[stable(feature = "rust1", since = "1.0.0")]
-#[derive(PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Debug)]
+#[derive(PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Debug, Default)]
 pub struct Wrapping<T>(#[stable(feature = "rust1", since = "1.0.0")] pub T);
 
 pub mod wrapping;