[Haskell-beginners] Export of names only for testing

[David McBride]

It is common to export an Foo.Internal module that has the internals of
your library in it, with a doc at the top that this is meant for internal
use.  It can be used both for testing and sometimes the user of your
library can do something with it you didn't think of if he has access to
the internals.

On Mon, Oct 2, 2017 at 5:28 AM, Baa <aquagnu at gmail.com> wrote:

> Hello, All!
>
> What is the standard Haskell convenience about export of module names for
> testing? As I understand, I should export all of them which looks like
> abstraction leak, but without this I can't test them, right?
>
> ===
> Best regards, Paul
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