def Rational.to_decimal

bend-kit-bignum@0.1.0.0 · rational.bend:40

import Base
import bend-kit-bignum@0.1.0.0/decimal.bend as Dec

40# The exact decimal, or None when it repeats (den has a factor besides 2, 5).
41def Rational.to_decimal(r: Rational) -> Maybe<&2, Dec.Decimal>:
42  match r:
43    case Rational{n, d}:
44      Dec.Decimal.from_fraction(n, d)