def live_handles

bendvy-ecs-core@0.1.0.4 · ordinary_app_hierarchy_query.bend:28

import Base
import bendvy-ecs-core@0.1.0.4/ordinary_app_relation.bend as Relation
import bendvy-ecs-core@0.1.0.4/relation_commands.bend as A
import bendvy-ecs-core@0.1.0.4/world.bend as W

28def live_handles(~S:Data,~C:Type,~R:Type,~E:Data,handles:List<&2,W.Handle<S>>,world:Relation.World(~S,~C,~R,~E)) -> Relation.World(~S,~C,~R,~E) & List<&2,W.Handle<S>>:
29  match handles:
30    case []:(world,[])
31    case +handle <> rest:live_checked(~S,~C,~R,~E,handle,W.valid(~S,~A.Store<S,C>,~R,~A.Notice<S,E>,world,handle),world => live_handles(~S,~C,~R,~E,rest,world))