diff options
| -rw-r--r-- | library/core/src/iter/adapters/intersperse.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/library/core/src/iter/adapters/intersperse.rs b/library/core/src/iter/adapters/intersperse.rs index f436fe02dca..c97a59b614f 100644 --- 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) }), ) } |