[Haskell-cafe] Get out structured data from a C/C++ library inHaskell

[Carter Schonwald]

yup! But first write it correctly then make it pretty :)


On Fri, Aug 8, 2014 at 2:45 PM, Erik Hesselink <hesselink at gmail.com> wrote:

> On Fri, Aug 8, 2014 at 7:51 PM, Nicola Gigante <nicola.gigante at gmail.com>
> wrote:
> > Moreover, I see that peek and poke return IO a, so I
> > can't pretend that the interface that I'm wrapping is pure,
> > can I?
>
> I believe that providing a pure interface to FFI functions was in fact
> the reason unsafePerformIO was introduced. So if you know the function
> you're wrapping is in fact pure, you can use it to provide a pure
> Haskell interface to it.
>
> Erik
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