def exact.nat.duplicate
import mylsm-lsm-store@0.6.0.1/src/coordinator/Io.bend as Ioimport Base
473def exact.nat.duplicate(value: Nat) -> Nat & Nat:
474 match value:
475 case 0n: (0n, 0n)
476 case 1n+rest: exact.nat.duplicate.step(exact.nat.duplicate(rest))