ScanMerge.both.live: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/scan/ScanMerge.bend as ScanMerge
Lines 22-34 of mylsm-lsm-store@0.6.0.1/src/scan/ScanMerge.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/ScanMerge.bend&start_line=22&end_line=34

import Base

# Applies ordering and tombstone precedence when both sources have a head.
def both.live(live: Bool, order: Cmp) -> Decision:
  match live:
    case True{}:
      match order:
        case LT{}: EmitDelta{}
        case EQ{}: EmitBoth{}
        case GT{}: EmitBase{}
    case False{}:
      match order:
        case LT{}: SkipDelta{}
        case EQ{}: SkipBoth{}
        case GT{}: EmitBase{}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Cmp
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/ScanMerge.bend&name=Decision