On Thu, Jun 1, 2023 at 10:35 AM Brian Goetz <[email protected]> wrote:
Rational is unfortunate because the default representation (when used > improperly) can lead to DBZE, but has a sensible default of zero -- except > for that pesky denominator. However, I think this is a removable > discontinuity, where the author can make up for this with some careful > coding: > It helps a bit that you want to canonicalize all 0/n to *something* anyway, and rational operations are already busy taking the gcd and ensuring positive denominator as it is. The need to internally represent zero as 0/0 probably adds little incremental pain in *this* case, but there will be others where it does. Still, overall it seems like a very fine trade-off. -- Kevin Bourrillion | Java/Kotlin Ecosystem Team | Google, Inc. | [email protected]
