···4949 /// If we _never_ needed this block, then we may have wasted a bit of effort
5050 /// trying to process it. Oh well.
5151 ///
5252- /// It would be nice to store the real error type from the processing
5353- /// function, but I'm leaving that generics puzzle for later.
5454- ///
5552 /// There's an alternative here, which would be to kick unprocessable blocks
5653 /// back to Raw, or maybe even a new RawUnprocessable variant. Then we could
5754 /// surface the typed error later if needed by trying to reprocess.