@ze
Hehe, the lesson is clear - no-one likes the grunt work of unit tests.
Good that you've got contributors though.
I'm not a c++ guy myself but it might be a useful exercise.
On a whim I just installed clang on Debian and the default is already v11. Attached are the codelite config compiler choices; will choosing v11 be backwards compatible with your project?
Also, what do you think of CLion + Catch2/Rapidcheck as testing libraries/frameworks?