Myers.reduce_band.step: def of bend-edit-distance@0.2.2.0
Import: import bend-edit-distance@0.2.2.0/src/Myers.bend as Myers
Lines 291-296 of bend-edit-distance@0.2.2.0/src/Myers.bend: https://jend.leeeet.dev/read.txt?path=bend-edit-distance@0.2.2.0/src/Myers.bend&start_line=291&end_line=296

import Base

def reduce_band.step(parts: List<&2, BandEntry> & List<&2, Peq>, first: Nat,
                     +maximum: Nat, length: Nat, target_length: Nat,
                     column: Nat, work: Nat) -> BandStep:
  match parts:
    case (entries, rest):
      BandStep{trim_first(entries, rest, first, maximum, length, target_length, column), maximum, work}

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=bend-edit-distance@0.2.2.0/src/Myers.bend&name=BandEntry
  https://jend.leeeet.dev/definition.txt?path=bend-edit-distance@0.2.2.0/src/Myers.bend&name=BandStep
  https://jend.leeeet.dev/definition.txt?path=bend-edit-distance@0.2.2.0/src/Myers.bend&name=Peq
  https://jend.leeeet.dev/definition.txt?path=bend-edit-distance@0.2.2.0/src/Myers.bend&name=trim_first