def Rational.div

bend-kit-bignum@0.1.0.0 · rational.bend:70

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

70# a / b, or None when b is zero.
71def Rational.div(a: Rational, b: Rational) -> Maybe<&2, Rational>:
72  match a b:
73    case Rational{an, ad} Rational{bn, bd}:
74      Rational.make(Big.BigInt.mul(an, bd), Big.BigInt.mul(ad, bn))