Fix indentation

Author: mankinskin

src/lib.rs

@@ -1742,19 +1742,19 @@ pub trait Itertools : Iterator {
     /// assert_eq!(numbers.iter().find_or_last(|&&x| x > 2), Some(&3));
     /// assert_eq!(std::iter::empty::<i32>().find_or_last(|&x| x > 5), None);
     /// ```
-	fn find_or_last<P>(mut self, predicate: P) -> Option<Self::Item>
-		where Self: Sized,
-			  P: FnMut(&Self::Item) -> bool,
-	{
-		#[inline]
+    fn find_or_last<P>(mut self, predicate: P) -> Option<Self::Item>
+        where Self: Sized,
+              P: FnMut(&Self::Item) -> bool,
+    {
+        #[inline]
         fn check<T>(mut predicate: impl FnMut(&T) -> bool) -> impl FnMut(Option<T>, T) -> Result<Option<T>, T> {
             move |_, x| {
                 if predicate(&x) { Result::Err(x) } else { Result::Ok(Some(x)) }
             }
         }
 
         self.try_fold(None, check(predicate)).unwrap_or_else(Some)
-	}
+    }
     /// Returns `true` if the given item is present in this iterator.
     ///
     /// This method is short-circuiting. If the given item is present in this