def Duration.sub
import bend-time-lib@0.4.0.1/duration.bend as Durationimport Base
287def Duration.sub(
288 +a: Duration, +b: Duration
289) -> Result<&2, &2, Duration.Error, Duration>:
290 Duration.sub.lt(a, b, Duration.is_lt(a, b))
import bend-time-lib@0.4.0.1/duration.bend as Durationimport Base
287def Duration.sub(
288 +a: Duration, +b: Duration
289) -> Result<&2, &2, Duration.Error, Duration>:
290 Duration.sub.lt(a, b, Duration.is_lt(a, b))