auto merge of #10568 : pcwalton/rust/more-bars, r=alexcrichton

r? @alexcrichton

Author: bors

src/libextra/arc.rs

@@ -220,7 +220,7 @@ impl<T:Send> MutexArc<T> {
      * blocked on the mutex) will also fail immediately.
      */
     #[inline]
-    pub unsafe fn unsafe_access<U>(&self, blk: &fn(x: &mut T) -> U) -> U {
+    pub unsafe fn unsafe_access<U>(&self, blk: |x: &mut T| -> U) -> U {
         let state = self.x.get();
         // Borrowck would complain about this if the function were
         // not already unsafe. See borrow_rwlock, far below.
@@ -234,8 +234,7 @@ impl<T:Send> MutexArc<T> {
     /// As unsafe_access(), but with a condvar, as sync::mutex.lock_cond().
     #[inline]
     pub unsafe fn unsafe_access_cond<U>(&self,
-                                        blk: &fn(x: &mut T,
-                                                 c: &Condvar) -> U)
+                                        blk: |x: &mut T, c: &Condvar| -> U)
                                         -> U {
         let state = self.x.get();
         do (&(*state).lock).lock_cond |cond| {
@@ -284,15 +283,14 @@ impl<T:Freeze + Send> MutexArc<T> {
      * unsafe_access_cond.
      */
     #[inline]
-    pub fn access<U>(&self, blk: &fn(x: &mut T) -> U) -> U {
+    pub fn access<U>(&self, blk: |x: &mut T| -> U) -> U {
         unsafe { self.unsafe_access(blk) }
     }
 
     /// As unsafe_access_cond but safe and Freeze.
     #[inline]
     pub fn access_cond<U>(&self,
-                          blk: &fn(x: &mut T,
-                                   c: &Condvar) -> U)
+                          blk: |x: &mut T, c: &Condvar| -> U)
                           -> U {
         unsafe { self.unsafe_access_cond(blk) }
     }
@@ -389,7 +387,7 @@ impl<T:Freeze + Send> RWArc<T> {
      * poison the Arc, so subsequent readers and writers will both also fail.
      */
     #[inline]
-    pub fn write<U>(&self, blk: &fn(x: &mut T) -> U) -> U {
+    pub fn write<U>(&self, blk: |x: &mut T| -> U) -> U {
         unsafe {
             let state = self.x.get();
             do (*borrow_rwlock(state)).write {
@@ -403,7 +401,7 @@ impl<T:Freeze + Send> RWArc<T> {
     /// As write(), but with a condvar, as sync::rwlock.write_cond().
     #[inline]
     pub fn write_cond<U>(&self,
-                         blk: &fn(x: &mut T, c: &Condvar) -> U)
+                         blk: |x: &mut T, c: &Condvar| -> U)
                          -> U {
         unsafe {
             let state = self.x.get();
@@ -427,7 +425,7 @@ impl<T:Freeze + Send> RWArc<T> {
      * Failing will unlock the Arc while unwinding. However, unlike all other
      * access modes, this will not poison the Arc.
      */
-    pub fn read<U>(&self, blk: &fn(x: &T) -> U) -> U {
+    pub fn read<U>(&self, blk: |x: &T| -> U) -> U {
         unsafe {
             let state = self.x.get();
             do (*state).lock.read {
@@ -457,7 +455,7 @@ impl<T:Freeze + Send> RWArc<T> {
      * }
      * ```
      */
-    pub fn write_downgrade<U>(&self, blk: &fn(v: RWWriteMode<T>) -> U) -> U {
+    pub fn write_downgrade<U>(&self, blk: |v: RWWriteMode<T>| -> U) -> U {
         unsafe {
             let state = self.x.get();
             do (*borrow_rwlock(state)).write_downgrade |write_mode| {
@@ -539,7 +537,7 @@ pub struct RWReadMode<'self, T> {
 
 impl<'self, T:Freeze + Send> RWWriteMode<'self, T> {
     /// Access the pre-downgrade RWArc in write mode.
-    pub fn write<U>(&mut self, blk: &fn(x: &mut T) -> U) -> U {
+    pub fn write<U>(&mut self, blk: |x: &mut T| -> U) -> U {
         match *self {
             RWWriteMode {
                 data: &ref mut data,
@@ -555,7 +553,7 @@ impl<'self, T:Freeze + Send> RWWriteMode<'self, T> {
 
     /// Access the pre-downgrade RWArc in write mode with a condvar.
     pub fn write_cond<U>(&mut self,
-                         blk: &fn(x: &mut T, c: &Condvar) -> U)
+                         blk: |x: &mut T, c: &Condvar| -> U)
                          -> U {
         match *self {
             RWWriteMode {
@@ -580,7 +578,7 @@ impl<'self, T:Freeze + Send> RWWriteMode<'self, T> {
 
 impl<'self, T:Freeze + Send> RWReadMode<'self, T> {
     /// Access the post-downgrade rwlock in read mode.
-    pub fn read<U>(&self, blk: &fn(x: &T) -> U) -> U {
+    pub fn read<U>(&self, blk: |x: &T| -> U) -> U {
         match *self {
             RWReadMode {
                 data: data,

src/libextra/arena.rs

@@ -184,7 +184,7 @@ impl Arena {
     }
 
     #[inline]
-    fn alloc_pod<'a, T>(&'a mut self, op: &fn() -> T) -> &'a T {
+    fn alloc_pod<'a, T>(&'a mut self, op: || -> T) -> &'a T {
         unsafe {
             let tydesc = get_tydesc::<T>();
             let ptr = self.alloc_pod_inner((*tydesc).size, (*tydesc).align);
@@ -241,7 +241,7 @@ impl Arena {
     }
 
     #[inline]
-    fn alloc_nonpod<'a, T>(&'a mut self, op: &fn() -> T) -> &'a T {
+    fn alloc_nonpod<'a, T>(&'a mut self, op: || -> T) -> &'a T {
         unsafe {
             let tydesc = get_tydesc::<T>();
             let (ty_ptr, ptr) =
@@ -263,7 +263,7 @@ impl Arena {
 
     // The external interface
     #[inline]
-    pub fn alloc<'a, T>(&'a self, op: &fn() -> T) -> &'a T {
+    pub fn alloc<'a, T>(&'a self, op: || -> T) -> &'a T {
         unsafe {
             // XXX: Borrow check
             let this = transmute_mut(self);

src/libextra/bitv.rs

@@ -40,7 +40,7 @@ impl SmallBitv {
     pub fn bits_op(&mut self,
                    right_bits: uint,
                    nbits: uint,
-                   f: &fn(uint, uint) -> uint)
+                   f: |uint, uint| -> uint)
                    -> bool {
         let mask = small_mask(nbits);
         let old_b: uint = self.bits;
@@ -140,7 +140,7 @@ impl BigBitv {
     pub fn process(&mut self,
                    b: &BigBitv,
                    nbits: uint,
-                   op: &fn(uint, uint) -> uint)
+                   op: |uint, uint| -> uint)
                    -> bool {
         let len = b.storage.len();
         assert_eq!(self.storage.len(), len);
@@ -161,7 +161,7 @@ impl BigBitv {
     }
 
     #[inline]
-    pub fn each_storage(&mut self, op: &fn(v: &mut uint) -> bool) -> bool {
+    pub fn each_storage(&mut self, op: |v: &mut uint| -> bool) -> bool {
         self.storage.mut_iter().advance(|elt| op(elt))
     }
 
@@ -512,7 +512,7 @@ impl Bitv {
         true
     }
 
-    pub fn ones(&self, f: &fn(uint) -> bool) -> bool {
+    pub fn ones(&self, f: |uint| -> bool) -> bool {
         range(0u, self.nbits).advance(|i| !self.get(i) || f(i))
     }
 
@@ -542,7 +542,7 @@ pub fn from_bools(bools: &[bool]) -> Bitv {
  * Create a `Bitv` of the specified length where the value at each
  * index is `f(index)`.
  */
-pub fn from_fn(len: uint, f: &fn(index: uint) -> bool) -> Bitv {
+pub fn from_fn(len: uint, f: |index: uint| -> bool) -> Bitv {
     let mut bitv = Bitv::new(len, false);
     for i in range(0u, len) {
         bitv.set(i, f(i));
@@ -557,7 +557,7 @@ impl ops::Index<uint,bool> for Bitv {
 }
 
 #[inline]
-fn iterate_bits(base: uint, bits: uint, f: &fn(uint) -> bool) -> bool {
+fn iterate_bits(base: uint, bits: uint, f: |uint| -> bool) -> bool {
     if bits == 0 {
         return true;
     }
@@ -675,7 +675,7 @@ impl BitvSet {
     }
 
     #[inline]
-    fn other_op(&mut self, other: &BitvSet, f: &fn(uint, uint) -> uint) {
+    fn other_op(&mut self, other: &BitvSet, f: |uint, uint| -> uint) {
         fn nbits(mut w: uint) -> uint {
             let mut bits = 0;
             for _ in range(0u, uint::bits) {
@@ -722,7 +722,7 @@ impl BitvSet {
         BitvSetIterator {set: self, next_idx: 0}
     }
 
-    pub fn difference(&self, other: &BitvSet, f: &fn(&uint) -> bool) -> bool {
+    pub fn difference(&self, other: &BitvSet, f: |&uint| -> bool) -> bool {
         for (i, w1, w2) in self.common_iter(other) {
             if !iterate_bits(i, w1 & !w2, |b| f(&b)) {
                 return false
@@ -734,8 +734,8 @@ impl BitvSet {
         )
     }
 
-    pub fn symmetric_difference(&self, other: &BitvSet,
-                            f: &fn(&uint) -> bool) -> bool {
+    pub fn symmetric_difference(&self, other: &BitvSet, f: |&uint| -> bool)
+                                -> bool {
         for (i, w1, w2) in self.common_iter(other) {
             if !iterate_bits(i, w1 ^ w2, |b| f(&b)) {
                 return false
@@ -744,11 +744,11 @@ impl BitvSet {
         self.outlier_iter(other).advance(|(_, i, w)| iterate_bits(i, w, |b| f(&b)))
     }
 
-    pub fn intersection(&self, other: &BitvSet, f: &fn(&uint) -> bool) -> bool {
+    pub fn intersection(&self, other: &BitvSet, f: |&uint| -> bool) -> bool {
         self.common_iter(other).advance(|(i, w1, w2)| iterate_bits(i, w1 & w2, |b| f(&b)))
     }
 
-    pub fn union(&self, other: &BitvSet, f: &fn(&uint) -> bool) -> bool {
+    pub fn union(&self, other: &BitvSet, f: |&uint| -> bool) -> bool {
         for (i, w1, w2) in self.common_iter(other) {
             if !iterate_bits(i, w1 | w2, |b| f(&b)) {
                 return false

src/libextra/dlist.rs

@@ -320,7 +320,7 @@ impl<T> DList<T> {
     /// or at the end.
     ///
     /// O(N)
-    pub fn insert_when(&mut self, elt: T, f: &fn(&T, &T) -> bool) {
+    pub fn insert_when(&mut self, elt: T, f: |&T, &T| -> bool) {
         {
             let mut it = self.mut_iter();
             loop {
@@ -339,7 +339,7 @@ impl<T> DList<T> {
     /// put `a` in the result if `f(a, b)` is true, else `b`.
     ///
     /// O(max(N, M))
-    pub fn merge(&mut self, mut other: DList<T>, f: &fn(&T, &T) -> bool) {
+    pub fn merge(&mut self, mut other: DList<T>, f: |&T, &T| -> bool) {
         {
             let mut it = self.mut_iter();
             loop {