[Haskell-cafe] Re: Libraries for Commercial Users
brad.larsen at gmail.com
Sat Oct 10 14:47:49 EDT 2009
On Thu, Oct 8, 2009 at 3:20 PM, John A. De Goes <john at n-brain.net> wrote:
> JVM is cross-platform, and contains sufficient typing information to
> permit one to write something like, "import foreign jvm
> java.list.Collection", and have typed access to the whole class and all of
> its methods.
Having painless Haskell <- Java interoperability would be great. I'm
curious though: could it really be so simple as a one-line ``import
foreign jvm'' directive? I imagine the purity mismatch between
Haskell and Java would be very troublesome.
With this hypothetical ``import foreign jvm'' mechanism, what would
the be type of imported Java stuff? Would it all be done in IO?
The more I think about it, the trickier it seems. Beside the purity
mismatch of Haskell and Java, there is an OO/functional mismatch.
Haskell / Java interop could be a huge boon; I just have trouble
seeing how it could be so simple as a one-line import in your Haskell
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