Done! Thanks for the tip.
I added a wiki page on this with my overly simple examples.
Perhaps I'll extend it as I learn more.
http://www.haskell.org/hawiki/FfiWithArrays
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Yup I'm aware of it, and I'd love to use it. The only problem is that it's
highly linux/unix specific as far as I can tell. Even the graphics
libraries it uses only runs on 'nix right now. I just tried to load
graphics.hgl and hello world program crashed GHCi and doesn't compile under
the regul
Matthew, the entire Haskell.org website is a Wiki. You might spare
someone else the pain that you went through by starting a "Duffers guide
to the Haskell FFI" that contains the information you wished you'd known
on day 1. I'm sure you'd get lots of help on the #haskell IRC if you
did so.
The
On Mon, 15 May 2006, Simon Peyton-Jones wrote:
> | > the automated ones, seemed to handle the case of passing numerical
> | > arrays to C, and having them get updated and passed back. That is
> my
> | > primary interest in the FFI and yet no obvious solution or example
> | > could be found after d
On May 15, 2006, at 11:14 AM, Aditya Siram wrote:
I have been working with a Haskell text for the past couple of
months or so and I have some general problem solving questions.
1. Is there a way to output intermediate values of a calculation?
As an imperative programmer I have become used
Hi Deech,
1. Is there a way to output intermediate values of a calculation?
Debug.Trace.trace is what you want, its not quite as convenient (or
safe) as cout, but its usually good enough. If you want to see more
detail then Hat (http://www.haskell.org/hat) is probably what you
want.
From a ge
I have been working with a Haskell text for the past couple of months or so
and I have some general problem solving questions.
1. Is there a way to output intermediate values of a calculation? As an
imperative programmer I have become used to using "System.out"'s or 'cout's
to check that my fu
> I've been reading Phil Wadler's monad papers from the early '90s,
> and it's been interesting to see how the monad concept evolved over
> the course of those years.
> But I haven't been able to track down the first use of the "do" notation for
> monads. Can anyone tell me where that came from?
Hello Clifford,
Saturday, May 13, 2006, 9:28:56 PM, you wrote:
> The OS team at Linspire, Inc. would like to announce that we are
> standardizing on Haskell as our preferred language for core OS development.
it's fantastic! i well know about Lindows and never think that so
interesting packages
Hello mvanier,
Monday, May 15, 2006, 7:04:11 AM, you wrote:
> I've been reading Phil Wadler's monad papers from the early '90s, and it's
> been
> interesting to see how the monad concept evolved over the course of those
> years.
> But I haven't been able to track down the first use of the "do
Hello Donald,
Saturday, May 13, 2006, 11:47:34 AM, you wrote:
> * Visit haskell.org
> * Click on "Books and tutorials"
> * Scroll to "Using Monads"
> * First entry in the list is this paper.
but novices don't know what monads is a Haskell way to do I/O and
interface with C!
>> It was ce
On Thu, May 11, 2006 at 01:46:43PM +0100, Ben Rudiak-Gould wrote:
> Otakar Smrz wrote:
> > data ... = ... | forall b . FMap (b -> a) (Mapper s b)
> >
> > ... where FMap qf qc = stripFMap f q
> >
> >the GHC compiler as well as GHCi (6.4.2 and earlier) issue an error
> >
> >My brain just expl
On Sat, 13 May 2006, Matthew Bromberg wrote:
> So after about 10 hours of wrestling with syntax, including messing up
> the initial capitalization of module names, indenting in do lists,
> forgetting to put commas in tuples and lists I finally got the following
> example to compile without error
| > the automated ones, seemed to handle the case of passing numerical
| > arrays to C, and having them get updated and passed back. That is
my
| > primary interest in the FFI and yet no obvious solution or example
| > could be found after days of internet searching and pouring over
| > tutorials
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