def epoch_of
import cswap-bend-cli@0.1.0.0/daemon/rows.bend as Rowsimport Base
import cswap-bend-cli@0.1.0.0/json.bend as Json
42def epoch_of(+j: Json.Json, +key: String) -> Maybe<&2, Nat>:
43 nat_opt(bind_s(num_text(Json.get(key, j)), t => epoch_text(t)))