def advance_band.next
import bend-edit-distance@0.2.2.0/src/Myers.bend as Myersimport Base
211def advance_band.next(result: Block & Carry, profile: Peq,
212 tail: Carry -> UpdatedBand) -> UpdatedBand:
213 match result:
214 case (next, carry):
215 advance_band.join(BandEntry{profile, next}, tail(carry))