Fill in some missing parts in the default AST visitor

[rust.git] / src / libsyntax / owned_slice.rs

diff --git a/src/libsyntax/owned_slice.rs b/src/libsyntax/owned_slice.rs
index 0f9a56baa170bc43b4d646f92241d35720cd067c..83369689a94de077efbce2a8ce81ff6e32c4751e 100644 (file)
--- a/src/libsyntax/owned_slice.rs
+++ b/src/libsyntax/owned_slice.rs
@@ -10,8 +10,9 @@
 
 use std::default::Default;
 use std::fmt;
-use std::iter::FromIterator;
+use std::iter::{IntoIterator, FromIterator};
 use std::ops::Deref;
+use std::slice;
 use std::vec;
 use serialize::{Encodable, Decodable, Encoder, Decoder};
 
@@ -30,7 +31,7 @@ fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
 
 impl<T> OwnedSlice<T> {
     pub fn empty() -> OwnedSlice<T> {
-        OwnedSlice  { data: box [] }
+        OwnedSlice  { data: Box::new([]) }
     }
 
     #[inline(never)]
@@ -77,8 +78,16 @@ fn clone(&self) -> OwnedSlice<T> {
 }
 
 impl<T> FromIterator<T> for OwnedSlice<T> {
-    fn from_iter<I: Iterator<Item=T>>(iter: I) -> OwnedSlice<T> {
-        OwnedSlice::from_vec(iter.collect())
+    fn from_iter<I: IntoIterator<Item=T>>(iter: I) -> OwnedSlice<T> {
+        OwnedSlice::from_vec(iter.into_iter().collect())
+    }
+}
+
+impl<'a, T> IntoIterator for &'a OwnedSlice<T> {
+    type Item = &'a T;
+    type IntoIter = slice::Iter<'a, T>;
+    fn into_iter(self) -> Self::IntoIter {
+        self.data.into_iter()
     }
 }