Remove bad formatting from wrong fmt version

Author: apelisse

library/core/src/iter/adapters/mod.rs

@@ -679,11 +679,7 @@ where
     fn next_back_index(&self) -> usize {
         let rem = self.iter.len() % (self.step + 1);
         if self.first_take {
-            if rem == 0 {
-                self.step
-            } else {
-                rem - 1
-            }
+            if rem == 0 { self.step } else { rem - 1 }
         } else {
             rem
         }
@@ -2213,11 +2209,7 @@ where
     I: DoubleEndedIterator + ExactSizeIterator,
 {
     fn next_back(&mut self) -> Option<Self::Item> {
-        if self.len() > 0 {
-            self.iter.next_back()
-        } else {
-            None
-        }
+        if self.len() > 0 { self.iter.next_back() } else { None }
     }
 
     #[inline]
@@ -2247,11 +2239,7 @@ where
             move |acc, x| {
                 n -= 1;
                 let r = fold(acc, x);
-                if n == 0 {
-                    LoopState::Break(r)
-                } else {
-                    LoopState::from_try(r)
-                }
+                if n == 0 { LoopState::Break(r) } else { LoopState::from_try(r) }
             }
         }
 
@@ -2362,11 +2350,7 @@ where
             move |acc, x| {
                 *n -= 1;
                 let r = fold(acc, x);
-                if *n == 0 {
-                    LoopState::Break(r)
-                } else {
-                    LoopState::from_try(r)
-                }
+                if *n == 0 { LoopState::Break(r) } else { LoopState::from_try(r) }
             }
         }
 

library/core/tests/iter.rs

@@ -226,11 +226,7 @@ impl Iterator for Toggle {
     }
 
     fn size_hint(&self) -> (usize, Option<usize>) {
-        if self.is_empty {
-            (0, Some(0))
-        } else {
-            (1, Some(1))
-        }
+        if self.is_empty { (0, Some(0)) } else { (1, Some(1)) }
     }
 }
 
@@ -1607,11 +1603,7 @@ fn test_find_map() {
     assert_eq!(iter.next(), Some(&7));
 
     fn half_if_even(x: &isize) -> Option<isize> {
-        if x % 2 == 0 {
-            Some(x / 2)
-        } else {
-            None
-        }
+        if x % 2 == 0 { Some(x / 2) } else { None }
     }
 }