Runner.snap.brk: def of bend-kit-runner@0.13.0.1
Import: import bend-kit-runner@0.13.0.1/runner.bend as Runner
Lines 498-506 of bend-kit-runner@0.13.0.1/runner.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-runner@0.13.0.1/runner.bend&start_line=498&end_line=506

import Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes
import bend-kit-retry@0.3.0.0/retry.bend as Retry

# A breaker state is a u32 kind. 0 is closed: a u32 count, then each failure as a u64. 1 is open: until. 2 is half-open: busy.
def snap.brk(out: Bytes.Bytes, b: Retry.State) -> Bytes.Bytes:
  match b:
    case Retry.CircuitClosed{+fs}:
      snap.nats(fs, snap.u32(snap.u32(out, 0), U32.from_nat(List.length(&2, Nat, fs))))
    case Retry.CircuitOpen{u}:
      snap.u64(snap.u32(out, 1), u)
    case Retry.CircuitHalf{k}:
      snap.u64(snap.u32(out, 2), k)

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.length
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.from_nat
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=bend-kit-retry@0.3.0.0/retry.bend&name=State
  https://jend.leeeet.dev/definition.txt?path=bend-kit-runner@0.13.0.1/runner.bend&name=snap.nats
  https://jend.leeeet.dev/definition.txt?path=bend-kit-runner@0.13.0.1/runner.bend&name=snap.u32
  https://jend.leeeet.dev/definition.txt?path=bend-kit-runner@0.13.0.1/runner.bend&name=snap.u64