Datetime.Datetime.frac_nanos: def of bend-time-lib@0.4.0.1
Import: import bend-time-lib@0.4.0.1/datetime.bend as Datetime
Lines 91-96 of bend-time-lib@0.4.0.1/datetime.bend: https://jend.leeeet.dev/read.txt?path=bend-time-lib@0.4.0.1/datetime.bend&start_line=91&end_line=96

import Base

def Datetime.frac_nanos(frac: TimeFrac) -> U32:
  match frac:
    case FracNone{}:
      0
    case Frac{digits, value}:
      U32.mul(value, U32.pow(10, Nat.sub(9n, digits)))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.pow
  https://jend.leeeet.dev/definition.txt?path=bend-time-lib@0.4.0.1/datetime.bend&name=TimeFrac