W64.sub: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/src/math/w64.bend as W64
Lines 70-72 of bend-collections-laws-math@1.0.0.0/src/math/w64.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/src/math/w64.bend&start_line=70&end_line=72

import Base
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as W

# a - b mod 2^64
def sub(+a: W.U64, +b: W.U64) -> W.U64:
  W.U64{U32.sub(lo(a), lo(b)), U32.sub(U32.sub(hi(a), hi(b)), b32(U32.is_lt(lo(a), lo(b))))}

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/u64.bend&name=U64
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/w64.bend&name=b32
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/w64.bend&name=hi
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/w64.bend&name=lo