Interesting data point. I think my initial thoughts can be summarized with
the suggestion that this thread would be better served by a little irony
and a new subject: Reuse Considered Harmful.
On Thu, Aug 30, 2012 at 1:26 AM, Bryan O'Sullivan b...@serpentine.comwrote:
Since the release of the
On Aug 29, 2012 10:56 PM, Henk-Jan van Tuyl hjgt...@chello.nl wrote:
On Wed, 29 Aug 2012 23:10:24 +0200, Stefan Monnier
monn...@iro.umontreal.ca wrote:
Albert Einstein said:
Insanity: doing the same thing over and over again and expecting
different results.
I repeated the command today
On 30 August 2012 15:26, Bryan O'Sullivan b...@serpentine.com wrote:
The reasons for these problems fall into three bins:
Prelude no longer exports catch, so a lot of import Prelude hiding (catch)
had to change.
It looks like this might be fixed before the release:
On 30/08/2012, at 5:26 PM, Bryan O'Sullivan wrote:
The reasons for these problems fall into three bins:
• Prelude no longer exports catch, so a lot of import Prelude hiding
(catch) had to change.
This could have been avoided if
import module hiding (importables)
were
Hi,
Am Mittwoch, den 29.08.2012, 17:16 +0100 schrieb Thomas Schilling:
Syntactically, I'd prefer something that looks more like a function.
With a pragma it's difficult to see what expression it actually
affects. For example, we already have the special functions lazy
and inline. Since
On Thu, Aug 30, 2012 at 7:26 AM, Bryan O'Sullivan b...@serpentine.com wrote:
The FFI now requires constructors to be visible, so CInt has to be
imported as CInt(..).
I think there was already a warning about this one in GHC 7.4, so
there was more time to fix it. Not to say I don't feel your
This is very unfortunate, but this is crucially a tooling issue. I am
going to wave my hands, but..
Ignore the mapreduce in the following video, but look at the use of clang
to do automatic refactoring of C++. This is *incredibly* powerful in
dealing with updates to APIs.
Hi
I agree that automatic code migration can solve this issue in large
parts. The Python folks have done this to mitigate the transition from
version 2 to version 3 [1].
On Thu, Aug 30, 2012 at 03:03:05PM +0200, Alexander Kjeldaas wrote:
perl -ni -e 'print unless /import Prelude hiding
On 30 August 2012 15:34, Alexander Bernauer alex-hask...@copton.net wrote:
Hi
I agree that automatic code migration can solve this issue in large
parts. The Python folks have done this to mitigate the transition from
version 2 to version 3 [1].
On Thu, Aug 30, 2012 at 03:03:05PM +0200,
Note that this does not work if you want to support multiple versions
of GHC, and might not work in general, since
* The hiding of catch is needed for preludes that still have it, since
otherwise it will probably conflict with the one from
Control.Exception.
* Older versions do not have
[moving discussion to haskell-cafe]
Congratulations and thanks for your new open source contribution! I
hope you feel at home =).
Your library looks really interesting but I'm completely overwhelmed
by its size. Its Cabal description is huge and there's no example of
how to use the library (it
On 8/30/12 10:26 AM, Erik Hesselink wrote:
Note that this does not work if you want to support multiple versions
of GHC, and might not work in general, since
* The hiding of catch is needed for preludes that still have it, since
otherwise it will probably conflict with the one from
Hi all,
I'm trying to make a web server that manages its own state. The user can
issue commands that modifies the state.
I did like below but unfortunatly the state is not keep after a command is
issued...
What is the right way to do it? Is there any example sites with an internal
state with
Dear Haskell-Cafe,
I am wondering if there is a way to use variables in paths
that appear in .cabal/config file?
I have written a custom config file that I would like to
share. However, my config file contains full paths s.a.
world-file: /home/semen/.cabal/world
etc. Is there any way I could
A good way to specify such refactorings is as a Haskell module. For example:
module PreludePre_7_6 where
import Prelude hiding ( catch )
Or, an example of avoiding the Eq / Show / Num debacle:
module PreludePre_7_4 (module Prelude, Num) where
import Prelude hiding ( Num )
import qualified
Whoops, I messed up that first example:
module PreludePre_7_6 (module Prelude, catch) where
import Prelude
import qualified System.IO.Error as E
catch = E.catch
On Thu, Aug 30, 2012 at 12:16 PM, Michael Sloan mgsl...@gmail.com wrote:
A good way to specify such refactorings is as a Haskell
On Thu, Aug 30, 2012 at 7:24 PM, wren ng thornton w...@freegeek.org wrote:
On 8/30/12 10:26 AM, Erik Hesselink wrote:
* Packages might not work with the new bytestring version, since the
API has breaking changes (although they're supposed to be minor).
For the first two, you need to add some
The way you wrote it, you run the state transformer once for each
request. So the state will be available within a single request, but
not between requests. If you want to persist state between requests,
you can use one the the mutable variables available (TVar or MVar are
good choices; IORefs
I had a toy program that encodes simply typed lambda in types. It used
to work fine with GHC prior to 7.2. But now it no longer compiles.
Here is a minimal fragment that demonstrates this problem.
{-# LANGUAGE GADTs,
MultiParamTypeClasses,
FlexibleInstances,
FlexibleContexts #-}
On Thu, 30 Aug 2012, Alexander Kjeldaas alexander.kjeld...@gmail.com wrote:
This is very unfortunate, but this is crucially a tooling issue. I am
going to wave my hands, but..
Ignore the mapreduce in the following video, but look at the use of clang
to do automatic refactoring of C++. This
Hi Erik,
yes you're right, I'm experimenting with an IORef now (a TVar would be a
better idea).
I also tried the idea expressed here, to keep the state:
https://groups.google.com/forum/?fromgroups=#!msg/happs/_JSpaJKub0k/oa0K01IBlh0J
But without success so far. The server is returning me the state
On 30 August 2012 09:34, Joachim Breitner breit...@kit.edu wrote:
but from a first glance it seems that you are not using that part of GHC
in your project, right?
No, I don't think I can make use of your work directly. Lambdachine uses
GHC up until the CorePrep phase (the last phase before
Well, overhead or not, it would be nice to at least have *some* solution.
Currently, it just doesn't work.
I am sure that as soon the functionality is there, somebody will step in
to fake it fast.
On 15/08/12 06:25, Donn Cave wrote:
Quoth Alexander Kjeldaas alexander.kjeld...@gmail.com,
See
Hi Cafe,
It seems, the function names in Haskell libs are not first-class objects,
AT LEAST when it comes to searching for them of the net!
I was trying to search for the following Haskell functions in the mailing
list archives. Here is a summary of the responses I have had from various
servers
On Thu, Aug 30, 2012 at 11:21 PM, damodar kulkarni
kdamodar2...@gmail.com wrote:
Hi Cafe,
It seems, the function names in Haskell libs are not first-class objects, AT
LEAST when it comes to searching for them of the net!
I was trying to search for the following Haskell functions in the mailing
Consider the following interface
type Ord k = Sliding_Window k v
entries :: Sliding_Window k v - [(k,v)]
The cost is expected to be linear in the length of
the result. The pairs are listed in increasing
order of k.
add :: Ord k = k -
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