def mark_swapped

bendvy-ecs-core@0.1.0.3 · component.bend:120

import Base
import bendvy-ecs-core@0.1.0.3/change_tick.bend as Tick
import column.bend as Col

120def mark_swapped(~S: Data,~Store: Type,~R: Type,~E: Data,~Rest: Type,~C: Type,~V: Data,~Token: Data,~take: Store -> Rest & Col.Column<S,C>,~put: Rest -> Col.Column<S,C> -> Store,~project: C -> C & V,rest: Rest,column: Col.Column<S,C>,+id: U32,incoming: Bool,tick: Tick.Tick,observed: Maybe<&1,C> & Bool) -> Store & Swap<C>:
121  (previous,wasPresent) = observed
122  (put(rest,Col.mark(~S,~C,column,id,incoming,wasPresent,tick)),Swapped{previous})