Arc.nkeys: def of near-architecture@0.9.1.0
Import: import near-architecture@0.9.1.0/arc.bend as Arc
Lines 171-176 of near-architecture@0.9.1.0/arc.bend: https://jend.leeeet.dev/read.txt?path=near-architecture@0.9.1.0/arc.bend&start_line=171&end_line=176

import Base

def nkeys(xs: List<&2, Node>) -> List<&2, String>:
  match xs:
    case []:
      []
    case n <> rest:
      nkey(n) <> nkeys(rest)

Uses (4):
  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=near-architecture@0.9.1.0/arc.bend&name=Node
  https://jend.leeeet.dev/definition.txt?path=near-architecture@0.9.1.0/arc.bend&name=nkey