def conditional_generic

bendvy-ecs-core@0.1.0.3 · machine_queue.bend:20

import Base
import bendvy-ecs-core@0.1.0.3/machine.bend as M

20def conditional_generic(-S:Data,-K:Data,-V:Data,same:V -> V -> Bool,slot:M.Slot<S,K,V>,value:V) -> M.Slot<S,K,V>:
21  match slot:
22    case M.Missing{}:M.Missing{}
23    case M.Present{current,pending,previous,changed}:M.Present{current,conditional_pending_generic(V,same,pending,value),previous,changed}