def output_prepend
bendvy-ecs-core@0.1.0.4 · relation_query.bend:96
import bendvy-ecs-core@0.1.0.4/relation_query.bend as RelationQuery
import Base
import relation_commands.bend as A
import world.bend as W
import transaction.bend as X
96def output_prepend(~S:Data,~C:Type,~R:Type,~E:Data,~Out:Data,value:Out,observed:X.Tx<W.World<S,A.Store<S,C>,R,A.Notice<S,E>>,A.Notice<S,E>> & List<&2,Out>) -> X.Tx<W.World<S,A.Store<S,C>,R,A.Notice<S,E>>,A.Notice<S,E>> & List<&2,Out>:
97 (tx,rest) = observed
98 (tx,value <> rest)