Snapshot.pin_generation: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/scan/Snapshot.bend as Snapshot
Lines 1339-1346 of mylsm-lsm-store@0.6.0.1/src/scan/Snapshot.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/Snapshot.bend&start_line=1339&end_line=1346

import Base

# Increments the reference count of one current or retired generation.
def pin_generation(
  registry: GenerationRegistry,
  target: Nat
) -> GenerationPinDecision:
  match registry:
    case GenerationRegistry{current, retired}:
      pin.registry.current(current, retired, target)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/Snapshot.bend&name=GenerationPinDecision
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/Snapshot.bend&name=GenerationRegistry
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/scan/Snapshot.bend&name=pin.registry.current