Rational.Rational.read.frac: def of bend-kit-bignum@0.1.0.0
Import: import bend-kit-bignum@0.1.0.0/rational.bend as Rational
Lines 95-101 of bend-kit-bignum@0.1.0.0/rational.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-bignum@0.1.0.0/rational.bend&start_line=95&end_line=101

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

def Rational.read.frac(a: Maybe<&2, Big.BigInt>, b: Maybe<&2, Big.BigInt>) ->
  Maybe<&2, Rational>:
  match a b:
    case Some{n} Some{d}:
      Rational.make(n, d)
    case _ _:
      None{}

Uses (4):
  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
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bignum@0.1.0.0/rational.bend&name=Rational
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bignum@0.1.0.0/rational.bend&name=Rational.make