Feature.entries: def of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/feature.bend as Feature
Lines 42-48 of bendvy-ecs-core@0.1.0.3/feature.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/feature.bend&start_line=42&end_line=48

import Base
import bendvy-ecs-core@0.1.0.3/schema_fragments.bend as SF

# List entries from selected features in authored sequence order. Dependency
# metadata does not implicitly add those features or their schema entries.
def entries(~S:Data,tree:Tree<S>) -> List<&2,SF.Entry<S>>:
  match tree:
    case Empty{}: []
    case Feature{_,entries,_}: entries
    case Sequence{left,right}: List.append(&2,SF.Entry<S>,entries(~S,left),entries(~S,right))

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=List.append
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/feature.bend&name=Tree
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/schema_fragments.bend&name=Entry