Myers.advance_column.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 113-119 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=113&end_line=119

import Base

# A column and consecutive target columns depend on their predecessor;
# parallelizing those calls would violate the Myers carry dependency.
def advance_column.step(result: Block & Carry,
                        tail: Carry -> List<Block>) -> List<Block>:
  match result:
    case (next, hout):
      next <> tail(hout)

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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=Block
  https://jend.leeeet.dev/definition.txt?path=bend-edit-distance@0.2.2.0/src/Myers.bend&name=Carry