Word64.W64.sub: def of bend-osdev-word64@0.1.1.0
Import: import bend-osdev-word64@0.1.1.0/word64.bend as Word64
Lines 130-133 of bend-osdev-word64@0.1.1.0/word64.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&start_line=130&end_line=133

import Base

def W64.sub(a: W64, b: W64) -> W64:
  match a b:
    case W64{ah, +al} W64{bh, +bl}:
      W64{U32.sub(U32.sub(ah, bh), W64.bit(U32.is_lt(al, bl))), U32.sub(al, bl)}

Uses (4):
  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-osdev-word64@0.1.1.0/word64.bend&name=W64
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-word64@0.1.1.0/word64.bend&name=W64.bit