RelationReorderCore.subset: def of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/relation_reorder_core.bend as RelationReorderCore
Lines 20-23 of bendvy-ecs-core@0.1.0.3/relation_reorder_core.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/relation_reorder_core.bend&start_line=20&end_line=23

import Base
import entity_key.bend as K
import relation_graph.bend as C

def subset(a: List<&2,K.Key>,+b: List<&2,K.Key>) -> Bool:
  match a:
    case []: True{}
    case x <> rest: Bool.and(C.contains(b,x),subset(rest,b))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/entity_key.bend&name=Key
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/relation_graph.bend&name=contains