message: Use expect to remove unreachable break.
diff: @@ -72,8 +72,12 @@ where
  window_i += 1;
  }
  - match segment_result {
  - Some(segment_result) => {
  + let segment_result = segment_result.expect(
  + "bits is not exhausted due to while condition;
  + thus there must be a segment window;
  + thus there must be a segment result",
  + );
  +
  // Convert this segment into twisted Edwards form.
  let segment_result = segment_result.into_edwards(
  cs.namespace(|| format!("conversion of segment {} into edwards", segment_i)),
  @@ -83,9 +87,7 @@ where
  match edwards_result {
  Some(ref mut edwards_result) => {
  *edwards_result = segment_result.add(
  - cs.namespace(|| {
  - format!("addition of segment {} to accumulator", segment_i)
  - }),
  + cs.namespace(|| format!("addition of segment {} to accumulator", segment_i)),
  edwards_result,
  params,
  )?;
  @@ -94,12 +96,6 @@ where
  edwards_result = Some(segment_result);
  }
  }
  - }
  - None => {
  - // We didn't process any new bits.
  - break;
  - }
  - }
  segment_i += 1;
  }
  