Time.Duration.to_us_nat: def of bend-kit-time@0.3.0.0
Import: import bend-kit-time@0.3.0.0/time.bend as Time
Lines 66-70 of bend-kit-time@0.3.0.0/time.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-time@0.3.0.0/time.bend&start_line=66&end_line=70

import Base
import bend-kit-int@0.2.0.0/int.bend as Int

# Whole microseconds, rounded down; 0 when d is negative.
def Duration.to_us_nat(d: Duration) -> Nat:
  match d:
    case Duration{s, n}:
      Duration.to_nat.of(Int.I64.to_nat(s), 1000000n, (n / 1000 : U32))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.div
  https://jend.leeeet.dev/definition.txt?path=bend-kit-int@0.2.0.0/int.bend&name=I64.to_nat
  https://jend.leeeet.dev/definition.txt?path=bend-kit-time@0.3.0.0/time.bend&name=Duration
  https://jend.leeeet.dev/definition.txt?path=bend-kit-time@0.3.0.0/time.bend&name=Duration.to_nat.of