def effect_left
import bendvy-ecs-core@0.1.0.3/execution_query_column.bend as ExecutionQueryColumnimport Base
import bendvy-ecs-core@0.1.0.3/chunk_column.bend as Col
25def effect_left(-S:Data,-C:Type,-O:Type,half:U32,right:Col.Column<S,C>,result:Update<S,C,O>) -> Update<S,C,O>:
26 match result:
27 case Updated{left,state,changed}:Updated{Col.Branch{half,left,right},state,changed}