Disk.named: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/walk/disk.bend as Disk
Lines 24-31 of bolt@1.27.0.0/src/walk/disk.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/walk/disk.bend&start_line=24&end_line=31

import Base

# the named lines: the text ends in a newline, so the last line is empty
def named(ls: List<&2, String>) -> List<&2, String>:
  match ls:
    case Nil{}:
      Nil{}
    case Con{+l, t}:
      +more = named(t)
      Bool.pick(List<&2, String>, String.is_empty(l), more, l <> 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=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.is_empty