Compose.opens: def of yaml-for-bend@0.1.1.0
Import: import yaml-for-bend@0.1.1.0/compose.bend as Compose
Lines 375-385 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=375&end_line=385

import Base

# Whether a collection still open has the anchor +name+.
def opens(stack: List<&2, Open>, +name: String) -> Bool:
  match stack:
    case Nil{}:
      False{}
    case Con{o, rest}:
      match o:
        case OSeq{anchor, tag, items, start, at}:
          Bool.or(is_name(anchor, name), opens(rest, name))
        case OMap{anchor, tag, items, start, at}:
          Bool.or(is_name(anchor, name), opens(rest, name))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  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=yaml-for-bend@0.1.1.0/compose.bend&name=Open
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/compose.bend&name=is_name