[Haskell-cafe] FPS lib

Krasimir Angelov kr.angelov at gmail.com
Tue Oct 18 06:12:26 EDT 2005

ByteArray# can be passed to C functions as well. The only problem is
with mmap which cann't be implemented with arrays. mmap returns a
pointer to the mapped file which is outside the Haskell heap.


2005/10/18, Benjamin Franksen <benjamin.franksen at bessy.de>:
> On Tuesday 18 October 2005 11:07, Krasimir Angelov wrote:
> > I am curious why FPS is implemented on top of ForeignPtr. ByteArray#
> > based implementation should be faster and more space efficient.
> I think the reason is C compatibility. A number of functions in FPS use
> ffi-bound C code (mmap, gz (de-)compression,...).
> Ben
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