W64.mul: 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 95-97 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=95&end_line=97

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

# a * b mod 2^64
def mul(+a: W.U64, +b: W.U64) -> W.U64:
  add(mul32(lo(a), lo(b)), W.U64{0, U32.add(U32.mul(lo(a), hi(b)), U32.mul(hi(a), lo(b)))})

Uses (7):
  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.mul
  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=add
  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
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/w64.bend&name=mul32