# permap_ref_int.ludic - an @Ref into a @PerMap registry names a row by its key: a map's rows have
# no index a program could hold, so the field is a string
program PerMapRefInt {
  property Spot { key: string = "" }
  @PerMap registry Spots of Spot from "spots.lres"
  property Npc {
    key: string = ""
    @Ref(Spots) home: int = 0
  }
  @PerMap registry Npcs of Npc from "npcs.lres"
  entry { print(1) }
}