Method next

src/arrayvec.rs:1295–1315

(&mut self)

  #[inline]
  fn next(&mut self) -> Option<A::Item> {
    if self.removal_start < self.removal_end {
      match self.replacement.next() {
        Some(replacement) => {
          let removed = core::mem::replace(
            &mut self.parent[self.removal_start],
            replacement,
          );
          self.removal_start += 1;
          Some(removed)
        }
        None => {
          let removed = self.parent.remove(self.removal_start);
          self.removal_end -= 1;
          Some(removed)
        }
      }
    } else {
      None
    }
  }

  #[inline]
  fn size_hint(&self) -> (usize, Option<usize>) {