[Haskell-cafe] Hide internal modules but expose them for testing

Vanessa McHale vanessa.mchale at iohk.io
Mon Jan 7 14:25:40 UTC 2019

As of recently you can have private libraries in a package. See e.g. my
htoml-megaparsec package for an example:
http://hackage.haskell.org/package/htoml-megaparsec where I use it to do
exactly what you wanted.

On 1/7/19 2:08 AM, Georgi Lyubenov wrote:
> Greetings,
> I want to have internal modules which I do not expose at all. I also
> want to be able to test them.
> This however also hides these modules from my tests.
> The best way I have found to work around this is to include my entire
> source directory in the test suite (source-dirs). This however means
> that I can't reuse builds that didn't include the tests.
> Is there some obvious and "best" solution that I am missing here? For
> reference I use Stack.
> Thanks in advance!
> =======
> Georgi
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