Remove IteratorExt

All methods are inlined into Iterator with `Self: Sized` bounds to make
sure Iterator is still object safe.

[breaking-change]

3 files changed, 3 insertions, 5 deletions

diff --git a/src/libstd/collections/hash/map.rs b/src/libstd/collections/hash/map.rs
index f9e1cb877b6..9e229a28279 100644
--- a/src/libstd/collections/hash/map.rs
+++ b/src/libstd/collections/hash/map.rs
@@ -20,7 +20,7 @@ use cmp::{max, Eq, PartialEq};
 use default::Default;
 use fmt::{self, Debug};
 use hash::{Hash, SipHasher};
-use iter::{self, Iterator, ExactSizeIterator, IntoIterator, IteratorExt, FromIterator, Extend, Map};
+use iter::{self, Iterator, ExactSizeIterator, IntoIterator, FromIterator, Extend, Map};
 use marker::Sized;
 use mem::{self, replace};
 use ops::{Deref, FnMut, FnOnce, Index};
diff --git a/src/libstd/collections/hash/set.rs b/src/libstd/collections/hash/set.rs
index 0933b4f662a..34b905595b7 100644
--- a/src/libstd/collections/hash/set.rs
+++ b/src/libstd/collections/hash/set.rs
@@ -18,9 +18,7 @@ use default::Default;
 use fmt::Debug;
 use fmt;
 use hash::Hash;
-use iter::{
-    Iterator, IntoIterator, ExactSizeIterator, IteratorExt, FromIterator, Map, Chain, Extend,
-};
+use iter::{Iterator, IntoIterator, ExactSizeIterator, FromIterator, Map, Chain, Extend};
 use ops::{BitOr, BitAnd, BitXor, Sub};
 use option::Option::{Some, None, self};
 
diff --git a/src/libstd/collections/hash/table.rs b/src/libstd/collections/hash/table.rs
index 710f0fe19db..8f659334538 100644
--- a/src/libstd/collections/hash/table.rs
+++ b/src/libstd/collections/hash/table.rs
@@ -15,7 +15,7 @@ use self::BucketState::*;
 use clone::Clone;
 use cmp;
 use hash::{Hash, Hasher};
-use iter::{Iterator, IteratorExt, ExactSizeIterator, count};
+use iter::{Iterator, ExactSizeIterator, count};
 use marker::{Copy, Send, Sync, Sized, self};
 use mem::{min_align_of, size_of};
 use mem;