Apply clippy suggestions

2 files changed, 7 insertions, 10 deletions

diff --git a/compiler/rustc_index/src/bit_set.rs b/compiler/rustc_index/src/bit_set.rs
index 5b1add4cfc6..d3c7a390cd5 100644
--- a/compiler/rustc_index/src/bit_set.rs
+++ b/compiler/rustc_index/src/bit_set.rs
@@ -991,8 +991,8 @@ impl<R: Idx, C: Idx> BitMatrix<R, C> {
         assert!(row.index() < self.num_rows);
         let (start, end) = self.range(row);
         let words = &mut self.words[..];
-        for index in start..end {
-            words[index] = !0;
+        for word in words[start..end].iter_mut() {
+            *word = !0;
         }
         self.clear_excess_bits(row);
     }
@@ -1144,7 +1144,7 @@ impl<R: Idx, C: Idx> SparseBitMatrix<R, C> {
 
     /// Iterates through all the columns set to true in a given row of
     /// the matrix.
-    pub fn iter<'a>(&'a self, row: R) -> impl Iterator<Item = C> + 'a {
+    pub fn iter(&self, row: R) -> impl Iterator<Item = C> + '_ {
         self.row(row).into_iter().flat_map(|r| r.iter())
     }
 
diff --git a/compiler/rustc_index/src/vec.rs b/compiler/rustc_index/src/vec.rs
index 88315246834..e9efa2f255d 100644
--- a/compiler/rustc_index/src/vec.rs
+++ b/compiler/rustc_index/src/vec.rs
@@ -634,18 +634,15 @@ impl<I: Idx, T> IndexVec<I, T> {
     }
 
     #[inline]
-    pub fn drain<'a, R: RangeBounds<usize>>(
-        &'a mut self,
-        range: R,
-    ) -> impl Iterator<Item = T> + 'a {
+    pub fn drain<R: RangeBounds<usize>>(&mut self, range: R) -> impl Iterator<Item = T> + '_ {
         self.raw.drain(range)
     }
 
     #[inline]
-    pub fn drain_enumerated<'a, R: RangeBounds<usize>>(
-        &'a mut self,
+    pub fn drain_enumerated<R: RangeBounds<usize>>(
+        &mut self,
         range: R,
-    ) -> impl Iterator<Item = (I, T)> + 'a {
+    ) -> impl Iterator<Item = (I, T)> + '_ {
         self.raw.drain(range).enumerate().map(|(n, t)| (I::new(n), t))
     }