Compose.owns: def of yaml-for-bend@0.1.1.0
Import: import yaml-for-bend@0.1.1.0/compose.bend as Compose
Lines 242-252 of yaml-for-bend@0.1.1.0/compose.bend: https://jend.leeeet.dev/read.txt?path=yaml-for-bend@0.1.1.0/compose.bend&start_line=242&end_line=252

import Base

# The mapping's own entries, each key once.
def owns(items: List<&2, Item>, r: Result<&2, &2, String, Ord>) -> Result<&2, &2, String, Ord>:
  match items:
    case Nil{}:
      r
    case Con{k, more}:
      match more:
        case Nil{}:
          r
        case Con{v, rest}:
          owns(rest, own.step(r, k, v))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/compose.bend&name=Item
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/compose.bend&name=Ord
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/compose.bend&name=own.step