> you've effectively described a shared library You're creating a false dichotomy. Shared libraries are totally fine. > It is not, as per my above comment.

> you've effectively described a shared library You're creating a false dichotomy. Shared libraries are totally fine. > It is not, as per my above comment. Yes it is, as per my comment. > good luck getting MySQL or Postgres to push your semantics into their software. No luck needed as there is no such requirement. > "hey, writing everything in one language is totally fine!" Once again: you are completely making up this "everything in one language" bit out of nothing. There is no such requirement or even goal. Though once you find out how nice it is to program in that language, you might want to write everything with it.