Cli.sub_paths: def of cli@0.2.0.0
Import: import cli@0.2.0.0/cli.bend as Cli
Lines 4939-4952 of cli@0.2.0.0/cli.bend: https://jend.leeeet.dev/read.txt?path=cli@0.2.0.0/cli.bend&start_line=4939&end_line=4952

import Base

# The paths below prefix that can complete, in pre-order, without built-ins.
def sub_paths(items: List<&2, Item>, +prefix: List<&2, String>) ->
    List<&2, List<&2, String>>:
  match items:
    case Nil{}: Nil{}
    case Sub{name, about, +children} <> tail:
      +path = List.append(&2, String, prefix, [name])
      List.concat(&2, List<&2, String>, [
        Bool.pick(List<&2, List<&2, String>>,
          Bool.or(has_builtin(children), needs_sub(children)), [], [path]),
        sub_paths(children, path),
        sub_paths(tail, prefix),
      ])
    case head <> tail: sub_paths(tail, prefix)

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  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=List.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.concat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=Item
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=has_builtin
  https://jend.leeeet.dev/definition.txt?path=cli@0.2.0.0/cli.bend&name=needs_sub