There's enough gaps in the specification (move/copy situation in particular) that would make me hesitant to use this for any production code. Given that the cod

There's enough gaps in the specification (move/copy situation in particular) that would make me hesitant to use this for any production code. Given that the code seems to date from WG21's rejection of the Google-led "we want to add a hard ABI break in C++23" proposal, the project is barely 2 years from literal first commit, which is likely too short to attract any substantial internal usage.