def payload

bendvy-ecs-core@0.1.0.3 · execution_relation_failure_retention.bend:12

import Base
import bendvy-ecs-core@0.1.0.3/execution_composer_layout.bend as Layout
import bendvy-ecs-core@0.1.0.3/execution_relation_store.bend as Store
import bendvy-ecs-core@0.1.0.3/relation_types.bend as T
import bendvy-ecs-core@0.1.0.3/change_tick.bend as Tick

12# Closed framework resource adapter. It never sees or flushes command buffers.
13# This resource stores the graph and its failure generations together. Retention
14# preserves the graph slot stamp; command publication updates graph writes.
15# Bevy maintains Messages separately from State:
16# https://github.com/bevyengine/bevy/blob/ad678262ce53b5d142fe49ee5e08caff6f00ab60/crates/bevy_ecs/src/message/messages.rs#L188-L201
17def payload(~S:Data,~descriptor:T.Descriptor<S>,~P:Type,~shape:{P == Store.Store<S,descriptor> : Type},tick:Tick.Tick,owner:P) -> P & Unit:
18  (Layout.checked_owner(Store.Store<S,descriptor>,P,Equal.sym(Type,P,Store.Store<S,descriptor>,shape),Store.maintained(~S,~descriptor,tick,Layout.checked_owner(P,Store.Store<S,descriptor>,shape,owner))),Unit{})