def Datetime.frac_nanos
import bend-time-lib@0.4.0.1/datetime.bend as Datetimeimport Base
91def Datetime.frac_nanos(frac: TimeFrac) -> U32:
92 match frac:
93 case FracNone{}:
94 0
95 case Frac{digits, value}:
96 U32.mul(value, U32.pow(10, Nat.sub(9n, digits)))