Dear all,
I need a recent ghc on a not-so-recent (?) CentOS.
The ghc binary package (7.2 or 7.4) does not work
because of a mismatch in the libc version.
ghc-7.0 is working but when I use it to compile 7.4,
it breaks with some linker error (relocation R_X86_64_PC32 ...)
it also suggests "recomp
Michael Snoyman wrote:
> That's
> the reason I added connect-and-resume to conduit. I use the technique
> in warp[1], which in fact *does* support multiple request/response
> pairs due to connection keep-alive. But the code base isn't the
> easiest introduction to the technique. If there's interes
Hi Johannes,
> ghc-7.0 is working but when I use it to compile 7.4,
> it breaks with some linker error (relocation R_X86_64_PC32 ...)
> it also suggests "recompile with -fPIC" but I don't see how.
I seem to remember that this is a problem with the old version of
GCC that's used to build the co
Duncan Coutts googlemail.com> writes:
> This could in principle be fixed with an arity raising transformation,
Do you have a reference to arity raising transformations?
Thanks, Dominic.
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Bartosz Milewski wrote:
I see. So your current implementation is not push, is it?
Reactive-banana includes two implementations: a pull-based model
implementation that specifies the semantics and a push-based
implementation for actual work. So, yes, reactive-banana is push-based.
Note that t
Hi Rico,
Rico Moorman wrote:
data Tree = Leaf Integer | Branch (Tree Integer) (Tree Integer)
amount:: Tree -> Integer
amount (Leaf x) = x
amount (Branch t1 t2) = amountt1 + amountt2
[...] additional requirement: "If the command-line flag --multiply is set,
the function amount computes
> I'm not happy with any of these options.
Why are you unhappy with the ImplicitParams option?
It's pretty much like resorting to a newtype, as it's been suggested before.
2012/6/27 Tillmann Rendel
> Hi Rico,
>
> Rico Moorman wrote:
>
>> data Tree = Leaf Integer | Branch (Tree Integer) (Tree
Hello list,
I am currently experimenting with Reactive.Banana and I am trying to
write a program that simply displays a String which is supplied by the
user. Thus in Main.hs I'd like to create a Behavior t String from some
arbitrary sources and pass this to a library function performing the
printi
Hi all,
I tried to install reactive-banana. This failed due to a dependency conflict,
and then I noticed there was a newer version of reactive-banana. So I did cabal
update, and tried to install again. But whatever I do, cabal keeps trying to
install fclabels, but fclabels is no longer a depend
Hi.
> I tried to install reactive-banana. This failed due to a dependency conflict,
> and then I noticed there was a newer version of reactive-banana. So I did
> cabal update, and tried to install again. But whatever I do, cabal keeps
> trying to install fclabels, but fclabels is no longer a de
On 12-06-27 11:29 AM, Sjoerd Visscher wrote:
I tried to install reactive-banana. This failed due to a dependency conflict,
and then I noticed there was a newer version of reactive-banana. So I did cabal
update, and tried to install again. But whatever I do, cabal keeps trying to
install fclabe
Ah, ok. I wasn't aware how flags work in Cabal, thanks.
Makes me wonder why that flag was turned off on hackage.
http://hackage.haskell.org/package/reactive-banana
On Jun 27, 2012, at 5:51 PM, Andres Löh wrote:
> Hi.
>
>> I tried to install reactive-banana. This failed due to a dependency
>> c
This should work:
library :: (forall t. NetworkDescription t (Behavior t [Char])) -> IO ()
greetings,
Sjoerd
On Jun 27, 2012, at 4:39 PM, Alexander Foremny wrote:
> Hello list,
>
> I am currently experimenting with Reactive.Banana and I am trying to
> write a program that simply displays a
Hi.
On Wed, Jun 27, 2012 at 6:14 PM, Sjoerd Visscher wrote:
> Ah, ok. I wasn't aware how flags work in Cabal, thanks.
>
> Makes me wonder why that flag was turned off on hackage.
> http://hackage.haskell.org/package/reactive-banana
I'm not sure "it was turned off". I see that it lists only some
Sweet! Thank you very much!
Just out of curiosity: how does this differ from the following, not
compiling type signature?
> library :: forall t. NetworkDescription t (Behavior t String) -> IO ()
Regards,
Alexander Foremny
2012/6/27 Sjoerd Visscher :
> This should work:
>
> library :: (forall
That is the same as just
library :: NetworkDescription t (Behavior t String) -> IO ()
which means that the caller gets to pick which type "t" stands for. But with
this:
library :: (forall t. NetworkDescription t (Behavior t [Char])) -> IO ()
the caller is forced to pass a value that wo
It's described in Andy Gill's PhD thesis (which describes the
foldr/build fusion).
http://ittc.ku.edu/~andygill/paper.php?label=GillPhD96 Section 4.4
describes the basic ideas. There aren't any further details, though.
Max's Strict Core paper also describes it a bit (Section 6):
http://www.cl.cam
On Wed, 20 Jun 2012 16:59:16 -0700
Hilco Wijbenga wrote:
> Hi Hamish,
>
> On 19 June 2012 22:47, Hamish Mackenzie
> wrote:
> > This release has an important bug fix for the metadata download.
> > When metadata was downloaded using libcurl it was not treated
> > as binary data. If you used one
Welcome to issue 233 of the HWN, an issue covering crowd-sourced bits
of information about Haskell from around the web. This issue covers the
week of June 17 to 23, 2012.
Quotes of the Week
* ciaranm: if it's ugly, it's imperative. if it's incomprehensible,
it's functional.
*
Here's the steps I had to go go to get ghc7.0 working on RHEL 5.6:
http://twdkz.wordpress.com/2011/12/21/installing-ghc-7-0-3-and-the-haskell-platform-on-rhel-5-6/
I expect that the same steps will work for ghc 7.4. I need to use a more
recent version of gcc that than supplied with RHEL5.6.
Ti
Hey all,
I work at scribd.com. A few weeks ago we had released an AI game. It
allowed you to use Javascript to program a bot. I've been wanting to add
Haskell as a supported language for some time, and it's finally done! I'm
pretty excited since I think we are the first big company to do something
Johannes,
This worked for me: http://justhub.org/download
Adit
On Wed, Jun 27, 2012 at 4:05 PM, Tim Docker wrote:
> Here's the steps I had to go go to get ghc7.0 working on RHEL 5.6:
>
>
> http://twdkz.wordpress.com/2011/12/21/installing-ghc-7-0-3-and-the-haskell-platform-on-rhel-5-6/
>
> I e
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