Revert "Stabilize RangeArgument"

This reverts commit 143206d54d7558c2326212df99efc98110904fdb.

2 files changed, 5 insertions, 3 deletions

diff --git a/src/liballoc/btree/map.rs b/src/liballoc/btree/map.rs
index 5243fb6ae0e..a51c70159db 100644
--- a/src/liballoc/btree/map.rs
+++ b/src/liballoc/btree/map.rs
@@ -13,11 +13,12 @@ use core::fmt::Debug;
 use core::hash::{Hash, Hasher};
 use core::iter::{FromIterator, Peekable, FusedIterator};
 use core::marker::PhantomData;
-use core::ops::{Index, RangeArgument};
-use core::ops::Bound::{Excluded, Included, Unbounded};
+use core::ops::Index;
 use core::{fmt, intrinsics, mem, ptr};
 
 use borrow::Borrow;
+use Bound::{Excluded, Included, Unbounded};
+use range::RangeArgument;
 
 use super::node::{self, Handle, NodeRef, marker};
 use super::search;
diff --git a/src/liballoc/btree/set.rs b/src/liballoc/btree/set.rs
index c755d2d8b85..d32460da939 100644
--- a/src/liballoc/btree/set.rs
+++ b/src/liballoc/btree/set.rs
@@ -16,11 +16,12 @@ use core::cmp::{min, max};
 use core::fmt::Debug;
 use core::fmt;
 use core::iter::{Peekable, FromIterator, FusedIterator};
-use core::ops::{BitOr, BitAnd, BitXor, Sub, RangeArgument};
+use core::ops::{BitOr, BitAnd, BitXor, Sub};
 
 use borrow::Borrow;
 use btree_map::{BTreeMap, Keys};
 use super::Recover;
+use range::RangeArgument;
 
 // FIXME(conventions): implement bounded iterators