Transition to new `Hash`, removing IterBytes and std::to_bytes.

1 files changed, 1 insertions, 10 deletions

diff --git a/src/libsyntax/parse/obsolete.rs b/src/libsyntax/parse/obsolete.rs
index accffd374a9..393282dd063 100644
--- a/src/libsyntax/parse/obsolete.rs
+++ b/src/libsyntax/parse/obsolete.rs
@@ -22,10 +22,8 @@ use codemap::{Span, respan};
 use parse::parser::Parser;
 use parse::token;
 
-use std::to_bytes;
-
 /// The specific types of unsupported syntax
-#[deriving(Eq)]
+#[deriving(Eq, Hash)]
 pub enum ObsoleteSyntax {
     ObsoleteSwap,
     ObsoleteUnsafeBlock,
@@ -46,13 +44,6 @@ pub enum ObsoleteSyntax {
     ObsoleteManagedVec,
 }
 
-impl to_bytes::IterBytes for ObsoleteSyntax {
-    #[inline]
-    fn iter_bytes(&self, lsb0: bool, f: to_bytes::Cb) -> bool {
-        (*self as uint).iter_bytes(lsb0, f)
-    }
-}
-
 pub trait ParserObsoleteMethods {
     /// Reports an obsolete syntax non-fatal error.
     fn obsolete(&mut self, sp: Span, kind: ObsoleteSyntax);