Robin Mirow

Results 3 issues of Robin Mirow

With #600 you replaced most uses of `Generic` with for example `OpaqueValue`. Is this always necessary? If so it's probably best to make this more convenient to use (and maybe...

I am not absolutely sure about this, but as far as I can tell a transaction is just a handle. Can a transaction be made `Send` just like `RegKey`?

It would be useful to be able to merge to VersionReq into one that only matches Versions that both individual requirements match. Something like this: ```rust fn intersect_with(self, other: VersionReq)...