[Haskell-cafe] an array of pointers in FFI?
vigalchin at gmail.com
Fri Aug 1 01:59:06 EDT 2008
Thanks Bulat! So since we are "talking" ;^) .... is there a function already
in Foreign that will allow me to ...
[a] -> Ptr (Ptr ()) i.e. map a list of type "a" to an array of ptrs of type
Kind regards, Vasili
On Fri, Aug 1, 2008 at 12:53 AM, Bulat Ziganshin
<bulat.ziganshin at gmail.com>wrote:
> Hello Vasili,
> Friday, August 1, 2008, 9:08:05 AM, you wrote:
> > Is a (Ptr (Ptr a)) a polymorphic representation of an array of
> > pointers of type "a"? I want to pass an array of pointers to a C
> use Ptr (Ptr ())
> Ptr () in haskell is like void* in C, it's used to represent pointer
> to arbitrary type. you can use castPtr to cast pointers between different
> Best regards,
> Bulat mailto:Bulat.Ziganshin at gmail.com
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