def Date.dim.rest2
import bend-time-lib@0.4.0.1/date.bend as Dateimport Base
65def Date.dim.rest2(+m: U32, d31: Bool) -> Maybe<&2, U32>:
66 match d31:
67 case True{}:
68 Some{31}
69 case False{}:
70 Date.dim.rest3(m, Date.is_30(m))