libstd: Change all uses of &fn(A)->B over to |A|->B in libstd

src/libstd/num/strconv.rs

@@ -132,9 +132,19 @@ static NAN_BUF:          [u8, ..3] = ['N' as u8, 'a' as u8, 'N' as u8];
  * # Failure
  * - Fails if `radix` < 2 or `radix` > 36.
  */
-pub fn int_to_str_bytes_common<T:NumCast+Zero+Eq+Ord+Integer+
-                                 Div<T,T>+Neg<T>+Rem<T,T>+Mul<T,T>>(
-        num: T, radix: uint, sign: SignFormat, f: &fn(u8)) {
+pub fn int_to_str_bytes_common<T:NumCast
+                                +Zero
+                                +Eq
+                                +Ord
+                                +Integer
+                                +Div<T,T>
+                                +Neg<T>
+                                +Rem<T,T>
+                                +Mul<T,T>>(
+                                num: T,
+                                radix: uint,
+                                sign: SignFormat,
+                                f: |u8|) {
     assert!(2 <= radix && radix <= 36);
 
     let _0: T = Zero::zero();