Dynamically choosing the main function

Shea Levy shea at shealevy.com
Sun Nov 12 16:28:05 UTC 2017

What would you be able to achieve with this that you couldn't achieve
with branching in a fixed custom main function?


Harendra Kumar <harendra.kumar at gmail.com> writes:

> Hi,
> GHC allows choosing a main function at link time using the "-main-is"
> option. I was wondering if there is a possibility to choose the main
> function at runtime. Or even better, if something equivalent to "ghc -e"
> is somehow possible in a linked binary executable. If not, are there any
> plans to achieve something like that in future? Are there any theoretical,
> practical obstacles to that?
> Thanks,
> Harendra
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