def bits.bytes.if
import bend-kit-regex@0.8.0.0/regex.bend as Regeximport Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes
2329def bits.bytes.if(m: Maybe<&2, Bits>, start: Maybe<&2, List<&2, Inst>>, asc: Maybe<&2, Asc>, b: Bytes.Bytes) -> Bytes.Bytes & Maybe<&2, Bool>:
2330 match m:
2331 case None{}:
2332 (b, None{})
2333 case Some{x}:
2334 Bytes.Bytes{+len, buf} = b
2335 bits.bytes(x, start, asc, len, buf)