[Haskell-cafe] Do something about Cabal?

[Henning Thielemann]

On Sat, 12 Dec 2020, Pasqualino "Titto" Assini wrote:

> I don't actually see the problem in producing a hash of the API you use.
> It is simply the hash of the list of your imports.
> 
> Is this overspecific? In the sense that it is more restrictive than it could be?

How do you address with a hash that added identifiers in an imported 
module do not harm if you import qualified or explicitly?

How do you address changed type of an imported variable?