use core::default::Default;
use core::fmt;
use core::hash;
-use core::iter::{Cloned, Chain, Enumerate, Repeat, Skip, Take, repeat};
-use core::iter::{mod, FromIterator, RandomAccessIterator};
+use core::iter::RandomAccessIterator;
+use core::iter::{Chain, Enumerate, Repeat, Skip, Take, repeat, Cloned};
+use core::iter::{mod, FromIterator};
use core::num::Int;
use core::ops::Index;
use core::slice::{Iter, IterMut};