[Haskell-cafe] ANNOUNCE: monad-control-0.3

[Bas van Dijk]

On 3 December 2011 10:18, Herbert Valerio Riedel <hvr at gnu.org> wrote:
> btw, how did you manage to get measurements from 2 different versions of
> the same library (monad-control 0.3 and 0.2.0.3) into a single report?

By renaming the old package to monad-control2 and using the
PackageImports extension.

I do wonder why it's not possible to use two different versions of the
same package at the same time.

Bas