use deriving for DeepClone

1 files changed, 1 insertions, 10 deletions

diff --git a/src/libstd/option.rs b/src/libstd/option.rs
index bc1ffcdc81a..be6ec8c8518 100644
--- a/src/libstd/option.rs
+++ b/src/libstd/option.rs
@@ -54,21 +54,12 @@ use clone::DeepClone;
 #[cfg(test)] use str;
 
 /// The option type
-#[deriving(Clone, Eq)]
+#[deriving(Clone, DeepClone, Eq)]
 pub enum Option<T> {
     None,
     Some(T),
 }
 
-impl<T: DeepClone> DeepClone for Option<T> {
-    fn deep_clone(&self) -> Option<T> {
-        match *self {
-            Some(ref x) => Some(x.deep_clone()),
-            None => None
-        }
-    }
-}
-
 impl<T:Ord> Ord for Option<T> {
     fn lt(&self, other: &Option<T>) -> bool {
         match (self, other) {