Static library to redefine entrypoint

[Krzysztof Skrzętnicki]

Why not just tell them to import your library and do something like
> main = withSomeInit labMain
where "withSomeInit" is the function you provide? This approach is present
in some other libs that require initialization.

Best regards

Christopher Skrzętnicki

On Fri, Apr 24, 2009 at 12:56, Philip K.F. <p.k.f.holzenspies at utwente.nl>wrote:

> Dear GHCers,
>
> I am trying to write a wrapper library for lab work to give to students.
> My problem is, that the libraries I use require initialization that I
> really want to hide from our students. The wrapper I'm writing is
> compiled to a static library and installed with cabal, so students can
> just "ghc --make" or "ghci" their sources. Here comes the problem: I
> want to define main and let students just define labMain as an entry
> point to their program.
>
> How can I have my library use "labMain" without a definition? Keep in
> mind that I want to give them a cabalized library that they can just
> link to, so I can't give them a template file that they fill and compile
> together with my code. Is it at all possible to have "external"
> functions and letting the linker sort stuff out?
>
> Regards,
> Philip
>
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