Format.deepen: def of bend-lint-rules@0.2.0.0
Import: import bend-lint-rules@0.2.0.0/layout/format.bend as Format
Lines 1463-1468 of bend-lint-rules@0.2.0.0/layout/format.bend: https://jend.leeeet.dev/read.txt?path=bend-lint-rules@0.2.0.0/layout/format.bend&start_line=1463&end_line=1468

import Base

def deepen(levels: List<&2, U32>, +col: U32) -> List<&2, U32>:
  match levels:
    case Nil{}:
      [col]
    case Con{+top, +more}:
      Bool.pick(List<&2, U32>, U32.is_gt(col, top), Con{col, Con{top, more}}, Con{top, more})

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_gt