Proof of concept for v2 - NO duplication, NO `static if` hell, NO difficulty with interoperability

[zjh]

On Monday, 1 November 2021 at 03:49:34 UTC, zjh wrote:

`Library authors` are more important than `pure users` because 
`libraries` bring users.
Therefore, we should `give priority to` the satisfaction of 
`Library authors users`.
Similarly, we should `give priority to` satisfying `C++` users, 
because most `C++` users write libraries.