Arc.ckeys: def of near-architecture@0.9.1.0
Import: import near-architecture@0.9.1.0/arc.bend as Arc
Lines 178-183 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=178&end_line=183

import Base

def ckeys(xs: List<&2, Container>) -> List<&2, String>:
  match xs:
    case []:
      []
    case c <> rest:
      ckey(c) <> ckeys(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=Container
  https://jend.leeeet.dev/definition.txt?path=near-architecture@0.9.1.0/arc.bend&name=ckey