def Period.add_to.y3
import bend-time-lib@0.4.0.1/period.bend as Periodimport Base
import bend-time-lib@0.4.0.1/date.bend as D
60def Period.add_to.y3(
61 +y: U32, +m: U32, +d: U32, +pd: U32, ok: Bool
62) -> Result<&2, &2, D.Date.Error, D.Date>:
63 match ok:
64 case False{}:
65 Fail{D.OutOfRange{}}
66 case True{}:
67 Period.add_to.dim(y, m, d, pd, D.Date.dim(m, D.Date.leap(y)))