}
fn size_hint(&self) -> (usize, Option<usize>) {
- let pending_len = if self.pending.is_some() { 1 } else { 0 };
+ let pending_len = usize::from(self.pending.is_some());
let (_, upper) = self.stream.size_hint();
let upper = match upper {
Some(x) => x.checked_add(pending_len),