Hi Niklas,
I certainly have OPTIONS_DERIVE and CATCH pragmas that I've inserted
into various programs over time.
Are you sure that would be a problem? Seems to me that OPTIONS_DERIVE
would appear in the same position as any other OPTIONS pragma, in
which case HSE will handle it just fine. I
On Wed, Dec 10, 2008 at 1:30 AM, Niklas Broberg
[EMAIL PROTECTED] wrote:
Are SrcSpan's on the TODO list?
Seeing how this is the first I hear of them, I can't say that they
have been, but they could be. :-)
Could you give me a rundown on what usecases you'd need SrcSpans for,
and where HSE
Don Stewart wrote:
I'd like to echo Jason's remarks earlier.
http://www.reddit.com/r/haskell_proposals/
We've tried for a couple of years now to efficiently track 'wanted
libraries' for the community, but never with much success.
In particular, two approaches have been tried:
* a
On Tue, 9 Dec 2008 16:22:13 -0800, Jason Dusek
[EMAIL PROTECTED] wrote:
There is a subreddit for people to propose libraries:
http://www.reddit.com/r/haskell_proposals/
The idea being, that Web 2.0 will help us to allocate our
collective talents more efficiently when it comes to
Hello,
Is anybody planning to use these shiny new ways for doing IO?
I'm also interested in a fair comparison of ByteString/Binary
with iteratee-based IO. Has anybody done this?
Regards,
Artyom Shalkhakov.
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Why can ghc read the program, but not the standard
library parser? Does ghc use something else?
Is it possible to use whatever ghc uses to build
a prettyprinter?
Language.Haskell is known to be incomplete. The haskell-src-exts
package on http://hackage.haskell.org will be more useful.
On Tue, 2008-12-09 at 18:17 -0800, Don Stewart wrote:
Oh, perhaps you want to 'decode' the string that
dirOpenDialog returns.
redcom:
Hi Don,
must be doing something wrong.
The messed up string originates from calling Graphics.UI.WX.dirOpenDialog
and selecting a directory
On Wed, Dec 10, 2008 at 12:30:56PM +, Duncan Coutts wrote:
If do recommend reading the FFI spec. It's quite readable and explains a
lot of the issues. Getting familiar with the Foreign libraries will help
too. The most important bits are understanding ForeignPtr and the
Storable class.
I
On Wed, 10 Dec 2008 10:35:48 +, Neil Mitchell
[EMAIL PROTECTED] wrote:
Hi
Clicking up once makes you vote up, clicking up again cancels your up
vote. i.e. to cancel an upvote, click up again. Similarly clicking
down votes down, clicking again removes your down vote. So therefore
clicking up,
This has happened to some of my proposals, too.
The reddit is completely open.
--
_jsn
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On Wed, 10 Dec 2008 02:00:26 -0800, Jason Dusek
[EMAIL PROTECTED] wrote:
This has happened to some of my proposals, too.
The reddit is completely open.
That is strange. I just deleted my proposal and resubmitted it, but
it still didn't appear.
Then I clicked on the up-arrow next to An ARM
Hello Don,
There is a team of people which want to translate RWH book into
Russian. is it ok? can you help us by establishing subversion of RWH
book on your site. if it will contain copy of the English book for the
beginning and allow team members to further edit it - it will be great!
--
Best
Hi,
When I do:
foreign import nameOfFunction nameOfFunction
:: IO MyType
I can get a function that return MyType only if
it's a pointer or some of the C* type family. Is
it possible to write a new MyType and make it
allowed as a return type from foreign functions?
Is changing the compiler the
On Wed, 2008-12-10 at 09:32 -0200, Mauricio wrote:
Why can ghc read the program, but not the standard
library parser? Does ghc use something else?
Is it possible to use whatever ghc uses to build
a prettyprinter?
Language.Haskell is known to be incomplete. The haskell-src-exts
On Wed, Dec 10, 2008 at 5:34 AM, Don Stewart [EMAIL PROTECTED] wrote:
I'd like to echo Jason's remarks earlier.
http://www.reddit.com/r/haskell_proposals/
We've tried for a couple of years now to efficiently track 'wanted
libraries' for the community, but never with much success.
In
If we have associated type synonyms, is there still reason to have
associated data types?
For example, we can replace:
class C b where
data D b
...
instance C Int where
data D Int = D | E
with:
class C b where
type D b
...
data DInt = D | E
instance C Int where
type D Int = DInt
Or
On Wed, 10 Dec 2008 19:47:04 +0900, Benjamin L.Russell
[EMAIL PROTECTED] wrote:
On Wed, 10 Dec 2008 10:35:48 +, Neil Mitchell
[EMAIL PROTECTED] wrote:
Hi
Clicking up once makes you vote up, clicking up again cancels your up
vote. i.e. to cancel an upvote, click up again. Similarly clicking
On Wed, 2008-12-10 at 08:33 -0200, Mauricio wrote:
Hi,
When I do:
foreign import nameOfFunction nameOfFunction
:: IO MyType
I can get a function that return MyType only if
it's a pointer or some of the C* type family. Is
it possible to write a new MyType and make it
allowed as a
Lennart Augustsson wrote:
For an associated data type D, we know that the type function D is
injective, i.e., for different indicies given to D we'll get different
data types. This makes much more powerful reasoning possible in the
type checker. If associated data types are removed there has
For an associated data type D, we know that the type function D is
injective, i.e., for different indicies given to D we'll get different
data types. This makes much more powerful reasoning possible in the
type checker. If associated data types are removed there has to be
some new mechanism to
Hi
Clicking up once makes you vote up, clicking up again cancels your up
vote. i.e. to cancel an upvote, click up again. Similarly clicking
down votes down, clicking again removes your down vote. So therefore
clicking up, then down, is (+1) then (-2).
Thanks
Neil
Then I clicked on the
Sure. Here's an example.
{-# LANGUAGE TypeFamilies #-}
module Mail where
class C1 a where
data T1 a :: *
f1 :: T1 a - T1 a
instance C1 Bool where
data T1 Bool = A | B deriving Show
f1 A = B
f1 B = A
class C2 a where
type T2 a :: *
f2 :: T2 a - T2 a
data D2 = C | D
Hi.
Date: Wed, 10 Dec 2008 13:36:11 +
From: Lennart Augustsson [EMAIL PROTECTED]
Subject: Re: [Haskell-cafe] Associated data types
For an associated data type D, we know that the type function D is
injective, i.e., for different indicies given to D we'll get different
data types.
Duncan Coutts wrote:
Yet another reason why FilePath /= String (except on Windows where it
does).
Duncan
Well, it is not a OS issue but a FileSystem issue.
OS X is a Unix, but the main filesystem is HFS+ which has Unicode names, though
they use a different normalization.
So FilePath ==
[Responding to an old (but still relevant) thread...]
I'm getting this error as well, both in 2.3.0 and 2.4.1.
Suppose that I wanted to generate documentation for everything in my Cabal
package except for the modules with Template Haskell in them. Is it enough
to add {-# OPTIONS_HADDOCK hide #-}
Reddit is not moderated.
But there is a difference between the new links and the top links.
There you are :
http://www.reddit.com/r/haskell_proposals/comments/7ijor/a_library_or_embedded_language_for_interactive/
(upmodded)
Benjamin L.Russell wrote:
On Tue, 9 Dec 2008 20:34:20 -0800, Don
I'm working on this now. R-Tree, not Oct-tree, but it'll be there
soon. Also working on GDAL/OGR bindings.
On Wed, Dec 10, 2008 at 4:26 AM, Neal Alexander [EMAIL PROTECTED] wrote:
Don Stewart wrote:
I'd like to echo Jason's remarks earlier.
http://www.reddit.com/r/haskell_proposals/
On Wed, Dec 10, 2008 at 1:10 PM, Josef Svenningsson
[EMAIL PROTECTED] wrote:
On Wed, Dec 10, 2008 at 5:34 AM, Don Stewart [EMAIL PROTECTED] wrote:
I'd like to echo Jason's remarks earlier.
http://www.reddit.com/r/haskell_proposals/
We've tried for a couple of years now to
foreign import nameOfFunction nameOfFunction
:: IO MyType
Is it possible to write a new MyType and make it allowed as
a return type from foreign functions? Is changing the
compiler the only way to do that?
Of course you're not really returning a MyType but a pointer
josef.svenningsson:
On Wed, Dec 10, 2008 at 5:34 AM, Don Stewart [EMAIL PROTECTED] wrote:
I'd like to echo Jason's remarks earlier.
http://www.reddit.com/r/haskell_proposals/
We've tried for a couple of years now to efficiently track 'wanted
libraries' for the community, but never
On Wed, 2008-12-10 at 14:17 -0200, Mauricio wrote:
foreign import nameOfFunction nameOfFunction
:: IO MyType
Is it possible to write a new MyType and make it allowed as
a return type from foreign functions? Is changing the
compiler the only way to do that?
On Wed, 2008-12-10 at 15:30 +0100, Sean Leather wrote:
[Responding to an old (but still relevant) thread...]
I'm getting this error as well, both in 2.3.0 and 2.4.1.
Suppose that I wanted to generate documentation for everything in my
Cabal package except for the modules with Template
From: Artyom Shalkhakov [EMAIL PROTECTED]
Hello,
Is anybody planning to use these shiny new ways for doing IO?
I'm also interested in a fair comparison of ByteString/Binary
with iteratee-based IO. Has anybody done this?
I would like to use Iteratee-based IO, and have been doing some
Is there anyway to track down and fix why haskell-src-exts-0.4.4.1 still gets
haddock: parse error in doc string
when I try to get cabal to haddock the package?
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On Wed, Dec 10, 2008 at 05:34:16PM +, ChrisK wrote:
Is there anyway to track down and fix why haskell-src-exts-0.4.4.1 still gets
haddock: parse error in doc string
when I try to get cabal to haddock the package?
Line numbers would be handy.
In this case, the problem is the Original:
Ross Paterson wrote:
On Wed, Dec 10, 2008 at 05:34:16PM +, ChrisK wrote:
Is there anyway to track down and fix why haskell-src-exts-0.4.4.1 still gets
haddock: parse error in doc string
when I try to get cabal to haddock the package?
Line numbers would be handy.
In this case, the
Indeed, I just found that. I wonder where in the universe this is
documented. Oh well. I also had to change -- $x and -- $( comments. A
darcs diff -u patch is attached.
Thanks a lot Chris, patch applied to the repo and will appear in the
next release.
Cheers,
/Niklas
Dear Haskell community,
It was kindly suggested to me by John Peterson that I might reach you here and
tell you a little bit about Fram, a small Mediawiki extension.
Fram lets you intersperse your explanation with actual code, and then Fram
extracts and concatenates the code, giving you a file
The library documentation pages on Haskell.org used to have helpful
links to the library source code. But they don't seem to be there any
more. Anybody know why?
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-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512
On Wed, Dec 10, 2008 at 2:05 PM, Haakon Meland Eriksen wrote:
Dear Haskell community,
It was kindly suggested to me by John Peterson that I might reach you here
and tell you a little bit about Fram, a small Mediawiki extension.
Fram lets you
I think you are overlooking the Web 2.0 aspect of this.
--
_jsn
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coreyoconnor:
Hello,
For further development of the vty package I'm really only paying
attention to the requirements that fall out of the Yi project. Are
there any other projects that depend on the vty package?
In addition, the vty project has it's own wiki: http://trac.haskell.org/vty/
On 11 Dec 2008, at 5:17 am, Mauricio wrote:
This would solve half my problem. Can I always trust that? I've
been told before that everytime a C function returns a struct it
is actually returning a pointer, but I wasn't able to find that
written in stone
That's because it isn't true.
I've been kicking the idea around of a 2008 retrospective. How did we do
this year? After all, it has been a dramatic growth period (we're close
to 600 people a day in #haskell now, for example, and many new faces!)
Some ideas:
* 10 best new libraries
* 10 best new apps
* 10 most
Hi,
Why does this not function?
Prelude sequence [print 'a', print 2]
'a'
2
[(),()]
*Prelude let myprint = print*
*Prelude sequence [myprint 'a', myprint 2]*
interactive:1:18:
Couldn't match expected type `()' against inferred type `Char'
In the first argument of `myprint', namely 'a'
Cetin Sert wrote:
Hi,
Why does this not function?
Prelude sequence [print 'a', print 2]
'a'
2
[(),()]
*Prelude let myprint = print*
*Prelude sequence [myprint 'a', myprint 2]*
interactive:1:18:
Couldn't match expected type `()' against inferred type `Char'
In the first argument of
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