as a wider reply to the many comments here - thanks! this is indeed a nuanced topic with trade offs everywhere and truly it is possible to argue for Rat and Num

as a wider reply to the many comments here - thanks! this is indeed a nuanced topic with trade offs everywhere and truly it is possible to argue for Rat and Num as the default depending on your preference just to mention that the Raku numeric also improves over the Lisp/Scheme number tower? why - because truly a Num is _not_ a subset / child class of Rat, they are sets that intersect