#[inline]
#[rustc_inherit_overflow_checks]
fn count(self) -> usize {
- match self {
- Chain { a: Some(a), b: Some(b) } => a.count() + b.count(),
- Chain { a: Some(a), b: None } => a.count(),
- Chain { a: None, b: Some(b) } => b.count(),
- Chain { a: None, b: None } => 0,
- }
+ let a_count = match self.a {
+ Some(a) => a.count(),
+ None => 0,
+ };
+ let b_count = match self.b {
+ Some(b) => b.count(),
+ None => 0,
+ };
+ a_count + b_count
}
fn try_fold<Acc, F, R>(&mut self, mut acc: Acc, mut f: F) -> R