Column.SwapOutcome: type of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/column.bend as Column
Lines 83-88 of bendvy-ecs-core@0.1.0.3/column.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/column.bend&start_line=83&end_line=88

import Base

# Raw column replacement result. Accepted returns column and displaced
# optional payload; Rejected returns column and incoming optional payload.
# Neither branch provides runtime entity/world validation by itself.
type SwapOutcome<-S: Data, -C: Type> is Type:
  Accepted{column: Column<S,C>, previous: Maybe<&1,C>}
  Rejected{column: Column<S,C>, incoming: Maybe<&1,C>}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/column.bend&name=Column