def indexed_seek

bendvy-ecs-core@0.1.0.3 · column.bend:313

import Base
import owner_handoff.bend as H
import indexed_lifecycle.bend as M

313def indexed_seek(~S:Data,~C:Type,fuel:Nat,values:Array<Maybe<&1,C>>,metadata:M.Metadata,capacity:U32,+target:U32,incoming:Maybe<&1,C>,remaining:H.PrototypeHandoffRows<S,C>,past:History<S,C>,phase:SeekPhase) -> SwapOutcome<S,C>:
314  match fuel remaining phase:
315    case _ H.HandoffNil{} _: Accepted{PreparedIndexed{IndexedPreparedOwned{IndexedPreparedState{values,metadata,capacity,target,incoming,H.HandoffNil{},past}}},None{}}
316    case 0n H.HandoffCon{id,owner,rest} _: Rejected{PreparedIndexed{IndexedPreparedOwned{IndexedPreparedState{values,metadata,capacity,0,None{},H.HandoffCon{id,owner,rest},past}}},incoming}
317    case 1n+more H.HandoffCon{+id,owner,rest} Inspect{}: indexed_seek(~S,~C,more,values,metadata,capacity,target,incoming,H.HandoffCon{id,owner,rest},past,Choice{U32.is_eq(target,id),U32.is_lt(target,id)})
318    case 1n+more H.HandoffCon{id,owner,rest} Choice{True{},_}: Accepted{PreparedIndexed{IndexedPreparedOwned{IndexedPreparedState{values,metadata,capacity,target,incoming,rest,past}}},Some{owner}}
319    case 1n+more H.HandoffCon{id,owner,rest} Choice{False{},True{}}: Accepted{PreparedIndexed{IndexedPreparedOwned{IndexedPreparedState{values,metadata,capacity,target,incoming,H.HandoffCon{id,owner,rest},past}}},None{}}
320    case 1n+more H.HandoffCon{id,owner,rest} Choice{False{},False{}}: indexed_seek(~S,~C,more,values,metadata,capacity,target,incoming,rest,HistoryCon{id,Some{owner},past},Inspect{})