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def partition

bendvy-ecs-core@0.1.0.3 · owned_event_log.bend:34

import bendvy-ecs-core@0.1.0.3/owned_event_log.bend as OwnedEventLog
import Base

34def partition(~P:Type,rows:List<Row<P>>,+ids:List<&2,Nat>) -> List<Row<P>> & List<Row<P>>:
35  match rows:
36    case []:([],[])
37    case Row{+id,payload} <> rest:partitioned(~P,contains(ids,id),Row{id,payload},partition(~P,rest,ids))

Uses (7)

Used by (1)