---

yaml
---
r: 164769
b: refs/heads/try
c: c7b6eb3
h: refs/heads/master
i:
  164767: 0e956c7
v: v3

Author: Jorge Aparicio

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: f8f2c7a9537c7f333b242f616aefb75a83860927
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 8443b09e361b96d1f9b7f45a65ed0d31c0e86e70
-refs/heads/try: 5579692ce77df5f8227ab7a226145f7cf18ef747
+refs/heads/try: c7b6eb38ff14b7225b7ccb86f9a2080fdba4a3e0
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/src/libcore/fmt/float.rs

@@ -20,6 +20,7 @@ use fmt;
 use iter::{range, DoubleEndedIteratorExt};
 use num::{Float, FPNaN, FPInfinite, ToPrimitive};
 use num::cast;
+use ops::FnOnce;
 use result::Result::Ok;
 use slice::{mod, SlicePrelude};
 use str::StrPrelude;
@@ -84,16 +85,18 @@ static DIGIT_E_RADIX: uint = ('e' as uint) - ('a' as uint) + 11u;
 ///   between digit and exponent sign `'e'`.
 /// - Panics if `radix` > 25 and `exp_format` is `ExpBin` due to conflict
 ///   between digit and exponent sign `'p'`.
-pub fn float_to_str_bytes_common<T: Float, U>(
+pub fn float_to_str_bytes_common<T: Float, U, F>(
     num: T,
     radix: uint,
     negative_zero: bool,
     sign: SignFormat,
     digits: SignificantDigits,
     exp_format: ExponentFormat,
     exp_upper: bool,
-    f: |&[u8]| -> U
-) -> U {
+    f: F
+) -> U where
+    F: FnOnce(&[u8]) -> U,
+{
     assert!(2 <= radix && radix <= 36);
     match exp_format {
         ExpDec if radix >= DIGIT_E_RADIX       // decimal exponent 'e'