auto merge of #17127 : alexcrichton/rust/rollup, r=alexcrichton

2 files changed, 5 insertions, 3 deletions

diff --git a/src/libcore/iter.rs b/src/libcore/iter.rs
index da7f026aed4..89b2f9cc853 100644
--- a/src/libcore/iter.rs
+++ b/src/libcore/iter.rs
@@ -2185,7 +2185,7 @@ pub type Iterate<'a, T> = Unfold<'a, T, IterateState<'a, T>>;
 /// Creates a new iterator that produces an infinite sequence of
 /// repeated applications of the given function `f`.
 #[allow(visible_private_types)]
-pub fn iterate<'a, T: Clone>(f: |T|: 'a -> T, seed: T) -> Iterate<'a, T> {
+pub fn iterate<'a, T: Clone>(seed: T, f: |T|: 'a -> T) -> Iterate<'a, T> {
     Unfold::new((f, Some(seed), true), |st| {
         let &(ref mut f, ref mut val, ref mut first) = st;
         if *first {
diff --git a/src/libcore/ops.rs b/src/libcore/ops.rs
index 836285bc313..94febf03635 100644
--- a/src/libcore/ops.rs
+++ b/src/libcore/ops.rs
@@ -55,6 +55,8 @@
  *
  */
 
+use kinds::Sized;
+
 /**
  *
  * The `Drop` trait is used to run some code when a value goes out of scope. This
@@ -700,7 +702,7 @@ pub trait IndexMut<Index,Result> {
  * ```
  */
 #[lang="deref"]
-pub trait Deref<Result> {
+pub trait Deref<Sized? Result> {
     /// The method called to dereference a value
     fn deref<'a>(&'a self) -> &'a Result;
 }
@@ -740,7 +742,7 @@ pub trait Deref<Result> {
  * ```
  */
 #[lang="deref_mut"]
-pub trait DerefMut<Result>: Deref<Result> {
+pub trait DerefMut<Sized? Result>: Deref<Result> {
     /// The method called to mutably dereference a value
     fn deref_mut<'a>(&'a mut self) -> &'a mut Result;
 }