def optional_observed
import bendvy-ecs-core@0.1.0.4/inspector_query.bend as InspectorQueryimport Base
import inspector_query_projection.bend as Q
78def optional_observed(~H:Type,~S:Data,~V:Data,result:H & List<&2,Q.Row<S,V>>) -> H & Result<&2,&2,SingleError,Maybe<&2,Q.Row<S,V>>>:
79 (owner,rows)=result
80 (owner,optional_rows(~S,~V,rows))