Time.Duration.add: def of bend-kit-time@0.3.0.0
Import: import bend-kit-time@0.3.0.0/time.bend as Time
Lines 79-83 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=79&end_line=83

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

def Duration.add(a: Duration, b: Duration) -> Duration:
  match a b:
    case Duration{sa, na} Duration{sb, nb}:
      +n = (na + nb : U32)
      Duration.carry(U32.is_ge(n, 1000000000), Int.I64.add(sa, sb), n)

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_ge
  https://jend.leeeet.dev/definition.txt?path=bend-kit-int@0.2.0.0/int.bend&name=I64.add
  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.carry