def poll.stale
import cswap-bend-cli@0.1.0.0/policy/usage.bend as Usageimport Base
272def poll.stale(+fa: Maybe<&2, Nat>, +now: Nat, +ttl: Nat) -> Bool:
273 match fa:
274 case None{}:
275 True{}
276 case Some{f}:
277 Nat.is_gt(Nat.sub(now, f), ttl)