auto merge of #10658 : LeoTestard/rust/serialize-rc, r=cmr

Implement various traits (IterBytes and extra's Encodable and Decodable) for Rc<T> when T alreay implements the trait.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/libstd/to_bytes.rs b/src/libstd/to_bytes.rs
index 8b424c53be0..28b79bdd320 100644
--- a/src/libstd/to_bytes.rs
+++ b/src/libstd/to_bytes.rs
@@ -18,6 +18,7 @@ use cast;
 use container::Container;
 use iter::Iterator;
 use option::{None, Option, Some};
+use rc::Rc;
 use str::{Str, StrSlice};
 use vec::{Vector, ImmutableVector};
 
@@ -325,6 +326,13 @@ impl<A:IterBytes> IterBytes for @mut A {
     }
 }
 
+impl<A:IterBytes> IterBytes for Rc<A> {
+    #[inline]
+    fn iter_bytes(&self, lsb0: bool, f: Cb) -> bool {
+        self.borrow().iter_bytes(lsb0, f)
+    }
+}
+
 impl<A:IterBytes> IterBytes for ~A {
     #[inline]
     fn iter_bytes(&self, lsb0: bool, f: Cb) -> bool {