On Wed, Oct 12, 2011 at 10:11 AM, Milan Straka <fox@ucw.cz> wrote:
is it OK for containers to depend on ghc-prim package? The GHC
documentation says not to use it, but it seems to me people are using it
whenever they need :) I do not know whether there is any policy about
that. Any comments, GHC HQ?

Yes, as long as you make sure the package is still portable. In the next version of base we'll have Data.Bits.unsafeShirt{R,L}.

-- Johan