On Thursday, 17 November 2022 at 05:34:49 UTC, zjh wrote: > On Thursday, 17 November 2022 at 04:25:13 UTC, Daniel Donnelly, > Jr. wrote: >> ... > > `crtp`, will it work? Can't use CRTP, because once you choose a derived class to pass into the template system, how do you pass in subclasses of that class and so on...