Auto merge of #21677 - japaric:no-range, r=alexcrichton

Note: Do not merge until we get a newer snapshot that includes #21374

There was some type inference fallout (see 4th commit) because type inference with `a..b` is not as good as with `range(a, b)` (see #21672).

r? @alexcrichton 

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libcore/fmt/float.rs b/src/libcore/fmt/float.rs
index 50123499eba..0963afaf72e 100644
--- a/src/libcore/fmt/float.rs
+++ b/src/libcore/fmt/float.rs
@@ -17,7 +17,7 @@ pub use self::SignFormat::*;
 use char;
 use char::CharExt;
 use fmt;
-use iter::{IteratorExt, range};
+use iter::IteratorExt;
 use num::{cast, Float, ToPrimitive};
 use num::FpCategory as Fp;
 use ops::FnOnce;
@@ -242,7 +242,7 @@ pub fn float_to_str_bytes_common<T: Float, U, F>(
                     if i < 0
                     || buf[i as uint] == b'-'
                     || buf[i as uint] == b'+' {
-                        for j in range(i as uint + 1, end).rev() {
+                        for j in (i as uint + 1..end).rev() {
                             buf[j + 1] = buf[j];
                         }
                         buf[(i + 1) as uint] = value2ascii(1);