Format.mul.zero: def of bend-lawful-stdlib@0.1.0.0
Import: import bend-lawful-stdlib@0.1.0.0/src/float/format.bend as Format
Lines 217-226 of bend-lawful-stdlib@0.1.0.0/src/float/format.bend: https://jend.leeeet.dev/read.txt?path=bend-lawful-stdlib@0.1.0.0/src/float/format.bend&start_line=217&end_line=226

import Base

def mul.zero(na: Bool, b: Val) -> Val:
  match b:
    case Z{nb}:
      Z{Bool.xor(na, nb)}
    case Inf{nb}:
      NaN{}
    case NaN{}:
      NaN{}
    case Fin{nb, mb, eb}:
      Z{Bool.xor(na, nb)}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.xor
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/float/format.bend&name=Val