[RFC] Qualified module renamings

[Francesco Gazzetta]

On Sun, 28 Feb 2021 19:37:38 +0000
Edward Z Yang <ezyang at mit.edu> wrote:

> As a more general thought: I noticed in a few other situations where
> traditional PVP does a poor job at addressing situations where API
> stability depends on packages you yourself depend on. For example,
> let's say I wanted to make a metapackage that took a few packages and
> reexported their modules. You don't even have to talk about the
> module level: at the declaration level, what identifiers are
> available from this package will depend on the version choices of its
> dependencies. But it's infeasible to publish combinatorially many
> versions of the metapackage for each possible version of its
> dependency

Revisions make this a bit more bearable. But still, backpack aside, I'd
say that cross-package module reexports are an antipattern exactly for
this reason!