Arc.link_ends: def of near-architecture@0.9.1.0
Import: import near-architecture@0.9.1.0/arc.bend as Arc
Lines 374-381 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=374&end_line=381

import Base

def link_ends(xs: List<&2, Link>) -> List<&2, String>:
  match xs:
    case []:
      []
    case l <> rest:
      match l:
        case Link{a, b, _, _}:
          a <> b <> link_ends(rest)

Uses (3):
  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=Link