Decimal.Decimal.div_exact: def of bend-kit-bignum@0.1.0.0
Import: import bend-kit-bignum@0.1.0.0/decimal.bend as Decimal
Lines 152-158 of bend-kit-bignum@0.1.0.0/decimal.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-bignum@0.1.0.0/decimal.bend&start_line=152&end_line=158

import Base
import bend-kit-bignum@0.1.0.0/bigint.bend as Big

# a / b exactly, at the smallest scale that holds it; None for a zero
# divisor or a repeating quotient (use Rational for those).
def Decimal.div_exact(a: Decimal, b: Decimal) -> Maybe<&2, Decimal>:
  match a b:
    case Decimal{ua, sa} Decimal{ub, sb}:
      Decimal.from_fraction(Big.BigInt.mul(ua, Decimal.pow10(sb)),
        Big.BigInt.mul(ub, Decimal.pow10(sa)))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bignum@0.1.0.0/bigint.bend&name=BigInt.mul
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bignum@0.1.0.0/decimal.bend&name=Decimal
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bignum@0.1.0.0/decimal.bend&name=Decimal.from_fraction
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bignum@0.1.0.0/decimal.bend&name=Decimal.pow10