Arnoldo Muller wrote:
I believe these problems are one of the major sources of frustration for
Haskell newbies. Things that could work in X language easily suddenly
become problems in Haskell. When you overcome these issues then you feel
happy again that you chose Haskell as the main
On Wed, Apr 21, 2010 at 1:44 AM, Edward Kmett ekm...@gmail.com wrote:
Eq doesn't state anywhere that the instances should be structural, though in
general where possible it is a good idea, since you don't have to worry
about whether or not functions respect your choice of setoid.
Wikipedia's
Nice initiative!
By the way, since this is a monad, I think a better place than
Control.Concurrent.Forkable would be Control.Monad.Forkable.
It's just a suggestion.
2010/4/21 David Anderson d...@natulte.net
Dear Haskellers,
I'm happy, and only slightly intimidated, to announce the initial
Hi,
This is quite a neat generalisation of forkIO, and something I've wanted
in the past.
My comment would be about the MonadIO m requirement for ForkableMonad.
I understand that conceptually it's a nice thing to have. But
practically, I don't think it's necessary, and could be a little
On Wed, Apr 21, 2010 at 5:25 AM, Max Rabkin max.rab...@gmail.com wrote:
On Wed, Apr 21, 2010 at 1:44 AM, Edward Kmett ekm...@gmail.com wrote:
Eq doesn't state anywhere that the instances should be structural, though
in
general where possible it is a good idea, since you don't have to worry
David Anderson wrote:
Dear Haskellers,
I'm happy, and only slightly intimidated, to announce the initial
release of forkable-monad.
The short version is that forkable-monad exports a replacement forkIO
that lets you do this:
type MyMonad = ReaderT Config (StateT Ctx IO)
startThread
I think, I've addressed the points made by Henning and Sebastian.
(Don't forget to cabal update.)
Cheers Christian
Dear Haskell friends,
I like to announce a Haskell style scanner at
http://hackage.haskell.org/package/scan
documented under http://projects.haskell.org/style-scanner/
You know, I looked into Erlang, and while it looks intriguing it isn't great
for my purposes because I want to be able to call Fortran routines to do the
heavy number-crunching, and Erlang doesn't have a good standard FFI like
Haskell.
Also, I really don't want to use a dynamically typed
On Tue, Apr 20, 2010 at 14:05, Jason Dusek jason.du...@gmail.com wrote:
One approach is some compiler magic that provides you with an RTS
that can communicate with other RTSen over TCP and chunks the computation
appropriately.
The approaches to Haskell multi-host parallelism I've seen all
aarondball+haskell:
On Tue, Apr 20, 2010 at 14:05, Jason Dusek jason.du...@gmail.com wrote:
One approach is some compiler magic that provides you with an RTS
that can communicate with other RTSen over TCP and chunks the computation
appropriately.
The approaches to Haskell multi-host
On Wed, Apr 21, 2010 at 14:14, Don Stewart d...@galois.com wrote:
Eden is active, afaik,
http://www.mathematik.uni-marburg.de/~eden/
Unfortunately, Eden is one of the examples I had in mind when
referring to distributed Haskell projects as overly complicated and
[for practical purposes]
On Tue, Apr 20, 2010 at 12:56 PM, Simon Marlow marlo...@gmail.com wrote:
On 09/04/2010 12:14, Bertram Felgenhauer wrote:
Simon Marlow wrote:
On 09/04/2010 09:40, Bertram Felgenhauer wrote:
timeout t io = mask $ \restore - do
result- newEmptyMVar
tid- forkIO $
2010/4/21 Aaron D. Ball aarondb...@gmail.com:
I don't need a tool that automatically figures out how to distribute
any workload in an intelligent way and handles all the communication
for me.
You are right in general. Only if you want to rely on purity and a
few source code annotations to
On Wed, Apr 21, 2010 at 8:07 PM, Aaron D. Ball
aarondball+hask...@gmail.com wrote:
If I have the basic building block, which is the ability to
serialize a Haskell expression with its dependencies and read them
into another Haskell instance where I can evaluate them, I can handle
the other
v.dijk.bas:
On Wed, Apr 21, 2010 at 8:07 PM, Aaron D. Ball
aarondball+hask...@gmail.com wrote:
If I have the basic building block, which is the ability to
serialize a Haskell expression with its dependencies and read them
into another Haskell instance where I can evaluate them, I can
Hi Jonas,
As far as i can tell, derive only works for regular and linear
recursive types and Regular uses frequencies to regulate size. (Also
Regular doesn't seem to work for QuickCheck-2).
Derive will generate instances for all types, but uses a fairly
standard formulation (pick between each
Hi,
I've uploaded GPipe-Collada-0.1.0 to hackage
(http://hackage.haskell.org/package/GPipe-Collada-0.1.0) that enables you to
load Collada files to be used with GPipe.
Check out Graphics.GPipe.Collada.Utils.viewScene for an example on how to use
loaded Collada scenes
On Wed, Apr 21, 2010 at 4:09 PM, Limestraël limestr...@gmail.com wrote:
Nice initiative!
Thanks!
By the way, since this is a monad, I think a better place than
Control.Concurrent.Forkable would be Control.Monad.Forkable.
It's just a suggestion.
I'm not entirely happy with the location with
There is still plenty of space to register [1] for Hac phi 2010, but
time is running out to get a hotel room at a reduced rate --- if you
want the special rate for the block of rooms we have reserved at the
Club Quarters, you must contact the hotel by this Friday, April 23.
Instructions are on the
I have an interest in both game programming and artificial life. I have
recently stumbled on Haskell and would like to take a stab at programming a
simple game using FRP such as YAMPA or Reactive but I am stuck. I am not
certain which one I should choose. It seems that Reactive is more active but
On Wed, Apr 21, 2010 at 4:39 PM, Neil Brown nc...@kent.ac.uk wrote:
Hi,
This is quite a neat generalisation of forkIO, and something I've wanted in
the past.
My comment would be about the MonadIO m requirement for ForkableMonad. I
understand that conceptually it's a nice thing to have.
[-haskell]
On Wed, Apr 21, 2010 at 5:54 PM, Heinrich Apfelmus
apfel...@quantentunnel.de wrote:
David Anderson wrote:
Dear Haskellers,
I'm happy, and only slightly intimidated, to announce the initial
release of forkable-monad.
The short version is that forkable-monad exports a replacement
On Wed, Apr 21, 2010 at 4:47 PM, Ben Christy ben.chri...@gmail.com wrote:
I have an interest in both game programming and artificial life. I have
recently stumbled on Haskell and would like to take a stab at programming a
simple game using FRP such as YAMPA or Reactive but I am stuck. I am not
On Thu, Apr 22, 2010 at 4:07 AM, Aaron D. Ball
aarondball+hask...@gmail.com wrote:
I don't need a tool that automatically figures out how to distribute
any workload in an intelligent way and handles all the communication
for me. If I have the basic building block, which is the ability to
Hi folks,
MissingPy is a library I wrote a little while back that allows you to
call Python code from Haskell. It's on Hackage and, as far as I know,
still works.
Trouble is, the need I used to have for it is gone. So I no longer use
it myself for anything, and thus it is starting to
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