Remove the now-unit-struct AllocErr parameter of oom()

src/liballoc/alloc.rs

@@ -136,8 +136,8 @@ unsafe fn exchange_malloc(size: usize, align: usize) -> *mut u8 {
         align as *mut u8
     } else {
         let layout = Layout::from_size_align_unchecked(size, align);
-        Global.alloc(layout).unwrap_or_else(|err| {
-            Global.oom(err)
+        Global.alloc(layout).unwrap_or_else(|_| {
+            Global.oom()
         })
     }
 }
@@ -166,7 +166,7 @@ mod tests {
         unsafe {
             let layout = Layout::from_size_align(1024, 1).unwrap();
             let ptr = Global.alloc_zeroed(layout.clone())
-                .unwrap_or_else(|e| Global.oom(e));
+                .unwrap_or_else(|_| Global.oom());
 
             let end = ptr.offset(layout.size() as isize);
             let mut i = ptr;

src/liballoc/arc.rs

@@ -555,7 +555,7 @@ impl<T: ?Sized> Arc<T> {
         let layout = Layout::for_value(&*fake_ptr);
 
         let mem = Global.alloc(layout)
-            .unwrap_or_else(|e| Global.oom(e));
+            .unwrap_or_else(|_| Global.oom());
 
         // Initialize the real ArcInner
         let inner = set_data_ptr(ptr as *mut T, mem) as *mut ArcInner<T>;

src/liballoc/heap.rs

@@ -52,8 +52,8 @@ unsafe impl<T> Alloc for T where T: CoreAlloc {
         CoreAlloc::dealloc(self, ptr, layout)
     }
 
-    fn oom(&mut self, err: AllocErr) -> ! {
-        CoreAlloc::oom(self, err)
+    fn oom(&mut self, _: AllocErr) -> ! {
+        CoreAlloc::oom(self)
     }
 
     fn usable_size(&self, layout: &Layout) -> (usize, usize) {

src/liballoc/raw_vec.rs

@@ -100,7 +100,7 @@ impl<T, A: Alloc> RawVec<T, A> {
                 };
                 match result {
                     Ok(ptr) => ptr,
-                    Err(err) => a.oom(err),
+                    Err(_) => a.oom(),
                 }
             };
 
@@ -316,7 +316,7 @@ impl<T, A: Alloc> RawVec<T, A> {
                                                  new_layout);
                     match ptr_res {
                         Ok(ptr) => (new_cap, Unique::new_unchecked(ptr as *mut T)),
-                        Err(e) => self.a.oom(e),
+                        Err(_) => self.a.oom(),
                     }
                 }
                 None => {
@@ -325,7 +325,7 @@ impl<T, A: Alloc> RawVec<T, A> {
                     let new_cap = if elem_size > (!0) / 8 { 1 } else { 4 };
                     match self.a.alloc_array::<T>(new_cap) {
                         Ok(ptr) => (new_cap, ptr.into()),
-                        Err(e) => self.a.oom(e),
+                        Err(_) => self.a.oom(),
                     }
                 }
             };
@@ -444,7 +444,7 @@ impl<T, A: Alloc> RawVec<T, A> {
     pub fn reserve_exact(&mut self, used_cap: usize, needed_extra_cap: usize) {
         match self.try_reserve_exact(used_cap, needed_extra_cap) {
             Err(CapacityOverflow) => panic!("capacity overflow"),
-            Err(AllocErr(e)) => self.a.oom(e),
+            Err(AllocErr(_)) => self.a.oom(),
             Ok(()) => { /* yay */ }
          }
      }
@@ -554,7 +554,7 @@ impl<T, A: Alloc> RawVec<T, A> {
     pub fn reserve(&mut self, used_cap: usize, needed_extra_cap: usize) {
         match self.try_reserve(used_cap, needed_extra_cap) {
             Err(CapacityOverflow) => panic!("capacity overflow"),
-            Err(AllocErr(e)) => self.a.oom(e),
+            Err(AllocErr(_)) => self.a.oom(),
             Ok(()) => { /* yay */ }
          }
      }
@@ -669,7 +669,7 @@ impl<T, A: Alloc> RawVec<T, A> {
                                      old_layout,
                                      new_layout) {
                     Ok(p) => self.ptr = Unique::new_unchecked(p as *mut T),
-                    Err(err) => self.a.oom(err),
+                    Err(_) => self.a.oom(),
                 }
             }
             self.cap = amount;

src/liballoc/rc.rs

@@ -668,7 +668,7 @@ impl<T: ?Sized> Rc<T> {
         let layout = Layout::for_value(&*fake_ptr);
 
         let mem = Global.alloc(layout)
-            .unwrap_or_else(|e| Global.oom(e));
+            .unwrap_or_else(|_| Global.oom());
 
         // Initialize the real RcBox
         let inner = set_data_ptr(ptr as *mut T, mem) as *mut RcBox<T>;