def single_composed

bendvy-ecs-core@0.1.0.4 · inspector_query.bend:137

import Base

137# Require exactly one composed row; zero yields NoEntities and multiple
138# yields MultipleEntities with full count. Retains owner H on every result.
139def single_composed(~H:Type,~S:Data,~V:Data,~cap:ComposedReadQuery<H,S,V>,owner:H) -> H & Result<&2,&2,SingleError,ProjectedRow<S,V>>:
140  composed_single_observed(~H,~S,~V,each_composed(~H,~S,~V,~cap,owner))