def groups

bendvy-ecs-core@0.1.0.4 · restore_graph_save.bend:17

import Base
import bendvy-ecs-core@0.1.0.4/restore_graph_data.bend as R
import bendvy-ecs-core@0.1.0.4/relation_types.bend as G
import bendvy-ecs-core@0.1.0.4/relation_graph.bend as Graph

17def groups(~S:Data,entries:List<&2,G.Inverse<S>>,+descriptor:G.Descriptor<S>) -> List<&2,R.Group>:
18  match entries:
19    case []:[]
20    case G.Inverse{other,target,sources} <> rest:included(U32.is_eq(Graph.key(~S,descriptor),Graph.key(~S,other)),target,sources,groups(~S,rest,descriptor))