use checked_add for upper bound

matthiaskrgr · Jan 26, 2024 · 77f31ef · 77f31ef
1 parent 8cbff0b
commit 77f31ef
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/library/core/src/iter/adapters/intersperse.rs b/library/core/src/iter/adapters/intersperse.rs
@@ -200,10 +200,10 @@ where
         lo.saturating_sub(!started as usize)
             .saturating_add(next_is_some as usize)
             .saturating_add(lo),
-        hi.map(|hi| {
+        hi.and_then(|hi| {
             hi.saturating_sub(!started as usize)
                 .saturating_add(next_is_some as usize)
-                .saturating_add(hi)
+                .checked_add(hi)
         }),
     )
 }