On Wed, Jan 26, 2011 at 1:27 AM, Chris Smith wrote:
> On Tue, 2011-01-25 at 23:03 -0800, John Millikin wrote:
>> It's not possible for a .cabal file to specify which license the final
>> binaries will use -- it depends on what libraries are locally
>> installed, what flags the build uses, and what
On Tue, 2011-01-25 at 22:21 -0800, John Millikin wrote:
> On Tue, Jan 25, 2011 at 22:14, Ivan Lazar Miljenovic
> wrote:
> > However, my understanding that this property is then transitive: if
> > Foo is GPL, Bar depends on Foo and Baz depends on Bar, then Baz must
> > also be released under a GPL-
On Wed, 2011-01-26 at 08:11 +0100, Ketil Malde wrote:
> David Leimbach writes:
>
> > BSD3 doesn't really state anything about what it links with, but the
> GPL
> > injects itself into the tree of stuff it's linked with via the
> derivative
> > works clause.
>
> I'm not an IP lawyer either (tha
On Tue, 2011-01-25 at 22:01 -0800, John Millikin wrote:
> On Tue, Jan 25, 2011 at 21:51, Chris Smith wrote:
> > On Tue, 2011-01-25 at 21:41 -0800, John Millikin wrote:
> >> Licensing is a property of the code, not the package; Cabal's
> >> licensing field is only a useful shorthand for "most of th
Chris Smith writes:
> I definitely interpret the license field in Cabal to refer to the terms
> and conditions that govern distribution of the entire program or library
> as a unit, including binaries.
I disagree, I've always interpreted the license to cover the text in
that particular package.
Hi all,
I am happy to announce hmatrix-0.11, a package for numerical computation
based on LAPACK and GSL.
Home page: http://code.haskell.org/hmatrix/
Hackage: http://hackage.haskell.org/package/hmatrix
Recent changes: http://code.haskell.org/hmatrix/CHANGES
By default this version uses Data.V
Hello,
I have a problem with using Takusen in my current project because it uses
old QuickCheck 1.*. This leads to conflict with other packages which use
QuickCheck 2.*.
Could someone help me to decide this problem?
Best wishes,
Dmitry
___
Haskell-Cafe
The community server, on which resides the domains:
community.haskell.org
projects.haskell.org
code.haskell.org
trac.haskell.org
planet.haskell.org
is down, due to a hacker attack.
Rather than trying to repair the old machine it was on,
this is the time to migrate this server (finally) to the ne
On Wed, Jan 26, 2011 at 6:47 AM, Dmitry Olshansky wrote:
> Hello,
>
> I have a problem with using Takusen in my current project because it uses
> old QuickCheck 1.*. This leads to conflict with other packages which use
> QuickCheck 2.*.
> Could someone help me to decide this problem?
>
Someone se
Dear Café,
I working on a DSL represented by a algebraic data type with many
constructors. I can write (separately) a parser and a pretty-printer for it,
and I am doing so at the moment. However, this way it feels like repeating
the same information twice.
Is there any work to combine the two?
B
On Wed, Jan 26, 2011 at 04:22:00PM +, Ozgur Akgun wrote:
> Dear Café,
>
> I working on a DSL represented by a algebraic data type with many
> constructors. I can write (separately) a parser and a pretty-printer for it,
> and I am doing so at the moment. However, this way it feels like repeatin
Tillmann Rendel and Klaus Ostermann. "Invertible syntax descriptions: Unifying parsing and pretty printing".Haskell Symposium 2010.Regards,MalcolmOn 26 Jan, 2011,at 04:22 PM, Ozgur Akgun wrote:Dear Café,I working on a DSL represented by a algebraic data type with many constructors. I can write
Depending on your concrete syntax, you may be able to use BNFC
(http://hackage.haskell.org/package/BNFC).
/J
On 26 January 2011 17:22, Ozgur Akgun wrote:
> Dear Café,
> I working on a DSL represented by a algebraic data type with many
> constructors. I can write (separately) a parser and a prett
On 01/26/2011 05:22 PM, Ozgur Akgun wrote:
I working on a DSL represented by a algebraic data type with many
constructors. I can write (separately) a parser and a pretty-printer
for it, and I am doing so at the moment. However, this way it feels
like repeating the same information twice.
Is t
On Wed, 2011-01-26 at 12:08 +0100, Ketil Malde wrote:
> I disagree, I've always interpreted the license to cover the text in
> that particular package.
There seems to be a difference in focus here that's confusing to me.
When I write a library, my primary concern is generally with helping
others u
> Installing executable(s) in /home/ketil/.cabal/bin
> Executable 'foo' incorporates components with the following licenses:
> GPL BSD3 LGPL
> Executable 'bar' ...
Furthermore, the example above could be greatly shortened by just saying
"GPL". Complying with the terms of the GPL automatically i
Hi Ozgur,
Ozgur Akgun wrote:
I can write (separately) a parser and a pretty-printer [...]
Is there any work to combine the two?
Brent Yorgey wrote:
Maybe take a look at "Invertible Syntax Descriptions: Unifying Parsing
and Pretty Printing" by Tillmann Rendel and Klaus Ostermann from last
year
Ozgur Akgun wrote in article
in
gmane.comp.lang.haskell.cafe:
> I working on a DSL represented by a algebraic data type with many
> constructors. I can write (separately) a parser and a pretty-printer for it,
> and I am doing so at the moment. However, this way it feels like repeating
> the sam
Inside a do block, I can very conveniently substitute
let x =
for either
x <- return
or
let x =
in do
However, I can't do anything similar (that I know of) with if or case
expressions. If I use if or case inside a do block, it's likely that
I'm still using monadic expressions (at least in
I think that for monads the cleanest way of doing conditional
execution is using 'when' and 'unless' [1] and 'guard' if your type
is a Monoid.
-deech
[1]
http://www.haskell.org/ghc/docs/latest/html/libraries/base/Control-Monad.html#6
On Wed, Jan 26, 2011 at 2:22 PM, Edward Amsden wrote:
> Ins
Hi,
On 22.01.2011, at 08:12, Sebastian Fischer wrote:
Also, Jan, I don't understand your comment about continuation
monads. Maybe I am a bit numb today.. What property do you mean do
continuation monads have or not?
I was wrong there. If there exist values x and y with x /= y and you
hav
Those functions are useful if I'm more interested in actions (for
instance putStrLn) in IO, but they restrict the monad's return type to
().
I'm often writing code like the following:
do
...
case ... of
Foo x -> do ...
...
return foobar
Bar x -> do ...
Yep, I do this often and it's pretty nasty. It's especially
inconvenient that you don't have access to computations before the if,
for example:
do
x <- something
y <- something-else
case y of
Foo a -> do
<--- I want access to 'x' here
Bar b -> ...
-deech
On Wed,
Thanks for all the suggestions, and the great work by Tillmann. I'll have a
look into the paper and the code, and try to see if it suits my needs.
Thanks!
2011/1/26 Tillmann Rendel
> Hi Ozgur,
>
> Ozgur Akgun wrote:
>
>> I can write (separately) a parser and a pretty-printer [...]
>>
>> Is ther
Excerpts from Edward Amsden's message of Wed Jan 26 15:51:46 -0500 2011:
> do
> ...
> case ... of
> Foo x -> do ...
> ...
> return foobar
> Bar x -> do ...
> ...
> return foobar
There's not enough context here to say what is app
On Tue, Jan 25, 2011 at 5:16 AM, Yitzchak Gale wrote:
> I suggest adding the following type-specialized variants to
> Data.Attoparsec.Char8:
>
> (<*.) :: Applicative f => f a -> f ByteString -> f a
> (<*.) = (<*)
>
> (.*>) :: Applicative f => f ByteString -> f a -> f a
> (.*>) = (*>)
>
Sounds re
Hi Alberto.
first of all thanks for an awesome library, it really makes life a lot
easier.
Then thanks as well for Your openness on the re-licensing issue.
I played with the thought of starting some numeric software with haskell -
haskell is a really exiting language in that respect, the eff
Don,
I'm having issues with loading download in GHCi:
Loading package download-0.3.1.1 ... linking ... :
/usr/lib/ghc-6.12.3/site-local/download-0.3.1.1/HSdownload-0.3.1.1.o:
unknown symbol `stat64'
ghc: unable to load package `download-0.3.1.1'
I found an old email you sent in 2008[1] on the sa
On Wed, Jan 26, 2011 at 4:33 PM, Corentin Dupont
wrote:
> Now turning to digestive functors, I don't see where do goes the "A.action
> actionURL" part that was in traditionnal forms?
> It seems I need it for routing the result of the form.
I think you will find formHtml is returning you the stuf
Hi,
Consider such a case: I'm making a client program. There is a
process, client and server exchange some information in a strict
order. So I do (persudo code):
exchange = do
sendHello
readMsg >>= expect hello processHelloReply
sendWhatsyourname
readMsg >>= expect name processNameReply
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On 1/26/11 21:10 , Magicloud Magiclouds wrote:
> Hi,
> Consider such a case: I'm making a client program. There is a
> process, client and server exchange some information in a strict
> order. So I do (persudo code):
> exchange = do
> sendHello
>
On Thu, Jan 27, 2011 at 10:48 AM, Brandon S Allbery KF8NH
wrote:
> -BEGIN PGP SIGNED MESSAGE-
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>
> On 1/26/11 21:10 , Magicloud Magiclouds wrote:
>> Hi,
>> Consider such a case: I'm making a client program. There is a
>> process, client and server exchange some information in
On Thu, Jan 27, 2011 at 11:00 AM, Magicloud Magiclouds
wrote:
> On Thu, Jan 27, 2011 at 10:48 AM, Brandon S Allbery KF8NH
> wrote:
>> -BEGIN PGP SIGNED MESSAGE-
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>>
>> On 1/26/11 21:10 , Magicloud Magiclouds wrote:
>>> Hi,
>>> Consider such a case: I'm making a client progr
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On 1/26/11 22:00 , Magicloud Magiclouds wrote:
> This is one way. But so the outer function could not know what
> happened in "really wrong" situation.
How so?
(1) fromException lets you test it: if (fromException e :: Maybe
ControlException) return
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On 1/26/11 22:02 , Magicloud Magiclouds wrote:
> Sorry, in last mail, I meant, in really wrong situation, there might
> be other tens of unexpected command, I'd like to wrap them in one
> exception, other than making tens of exceptions.
I'm not sure y
On Tue, Jan 25, 2011 at 5:18 PM, Ivan Lazar Miljenovic <
ivan.miljeno...@gmail.com> wrote:
> On 26 January 2011 07:32, gutti wrote:
> > The H-Matrix and the prelude numeric packages however, which in my mind
> > cover really important ground work, are issued under the resprictive GPL.
>
> I think
On Thu, Jan 27, 2011 at 11:09 AM, Brandon S Allbery KF8NH
wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> On 1/26/11 22:02 , Magicloud Magiclouds wrote:
>> Sorry, in last mail, I meant, in really wrong situation, there might
>> be other tens of unexpected command, I'd like to wrap the
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On 1/26/11 22:13 , Magicloud Magiclouds wrote:
> Yes, the problem is that Exception cannot hold anything in it. Things
> like Either might work. I am thinking how to make it work with
> StateT
That wasn't my point, but sure it can. Go take a look
Welcome to issue 166 of the HWN, a newsletter covering developments in
the [1]Haskell community. This release covers the week of January 16 to
22, 2011.
Announcements
Sukit Tretriluxana [2]proudly announced version 1.0 of SiteBridge. He
also included a short introductory video.
On 1/26/11 10:20 AM, Yitzchak Gale wrote:
The community server, on which resides the domains:
community.haskell.org
projects.haskell.org
code.haskell.org
trac.haskell.org
planet.haskell.org
is down, due to a hacker attack.
What is the nature of the damage: was the machine corrupted or
compro
On 1/26/11 5:51 AM, Maciej Piechotka wrote:
Some projects (like Linux) remove this clause and I'm not sure how many
projects are marked on hackage as GPL2 being GPL2-only.
Technically GPLx and GPLy are incompatible for all x and y such that x
/= y. The problem is that *technically* the phrasin
On 1/26/11 2:27 AM, Chris Smith wrote:
and there will nearly always be
some license that is the most restrictive of all that apply and so can
be said to govern the end result by itself.
All BSD3 licenses from different authors are "at the same level". To get
the join of the licenses you must c
wren ng thornton wrote:
> What is the nature of the damage: was the machine corrupted or
> compromised?
I think it was the latter.
> Aka, do I need new ssh keys etc?
If all you had on the machine was public keys, then no. If
you had private keys as well, then yes, definitely.
Erik
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