This is a repo for me to test using cppwinrt and C++20 modules. It's a work in progress.
Right now, just go look at ModulesExperiments for the up-to-date state of the code, and notes.md for my journal of notes (VERY stream-of-conciousness-y, be warned).
In scenarios/, I've got a collection of WinRT test scenarios for validating that code builds roughly the same when using modules vs when using traditional pchs.