Claus Reinke wrote:
[snip]
(the picture is slightly less simple, as 1/2 are repeated, hence
construction and interpretation are interleaved, and later
construction may depend on the results of earlier interpretation, but I
assume you know that;)
This is one of the issues that I was confused
you don't actually need lazyness.
(except if you tried to define directly instead of using = as the
primitive because then the second parameter would be an action directly
instead of a continuation)
yes, you'd want to be non-strict in its second parameter.
Thanks! This is *absolutely* the
Hello Jeremy,
Monday, May 22, 2006, 12:20:54 AM, you wrote:
For my own needs, I cabalized and debianized the Streams library. It
generates binary debs for ghc6 and hugs -- but I think the hugs
version is broken. In any case, it is a start, you can download the
packaging at:
Hi, all.
I'm writing a GUI app using Haskell and Gtk2HS. All goes well besides one thing.
I need to display some messages in russian and I can't figure out, how to handle
that.
Gtk uses UTF-8 internally, so i have to pass UTF-8 strings to it somehow. But
how to define them in source file? I get
On Thu, 2006-05-25 at 15:02 +, Dmitry V'yal wrote:
Hi, all.
I'm writing a GUI app using Haskell and Gtk2HS. All goes well besides one
thing.
I need to display some messages in russian and I can't figure out, how to
handle
that.
Gtk uses UTF-8 internally, so i have to pass UTF-8
Hello Duncan,
Thursday, May 25, 2006, 3:24:35 PM, you wrote:
Sorry it's all rather unsatisfactory. The missing pieces here are
allowing Unicode string literals and
ghc 6.5 support it
an IO library that make decoding
text files into normal Haskell Strings easy.
you can find [Word8]-[Char]
All,
I hope that this is the right place for this question.
I'm using Haskell (GHC and Hugs) on several different platforms.
Windows, OS X and Linux systems.
I'd like to have an IDE that works well for medium to large size
projects. I know of Eclipse and hIDE.
Vim works fine but I'd like
Hi Walt,
For Mac OS X I would strongly recommend using Sub Etha Edit. Its a
very simple editor to use, and offers a lot of power and flexibility.
It also has a Haskell highlighting mode.
You can find it at:
http://www.codingmonkeys.de/subethaedit/
Chris.
On 25 May 2006, at 16:02, Walter
I'd like to use QuickCheck on IO code. For instance, I'd like to
check a property of type String - IO Bool.
Using unsafePerformIO seems straightforward (though I haven't written
the code, so I may be wrong about that) and it might be possible to
make a solution involving unsafeInterleaveIO
Mike Gunter wrote:
I'd like to use QuickCheck on IO code. For instance, I'd like to
check a property of type String - IO Bool.
Using unsafePerformIO seems straightforward (though I haven't written
the code, so I may be wrong about that) and it might be possible to
make a solution involving
Mike Gunter [EMAIL PROTECTED] wrote:
I'd like to use QuickCheck on IO code. For instance, I'd like to
check a property of type String - IO Bool.
Barring that, I suspect it's possible modify QuickCheck to accommodate
IO code (or perhaps, general monadic code). Has anyone done this?
Yes,
Has anyone actually seen ghc link successfully to third party libraries on
windows?
While I have been able to link to C object code compiled by ghc (and thus
gcc by proxy), I have not been able to actually link against any substantial
third party library or dll in windows.
I am currently
Hi Walt,
I'm using Haskell (GHC and Hugs) on several different platforms.
Windows, OS X and Linux systems.
Assuming that you want your students to be able to use any of the
above platforms, the only options I know of which work well on all of
the platforms are Emacsen, Vim, hIDE, Eclipse and
SevenThunders wrote:
Has anyone actually seen ghc link successfully to third party
libraries on windows?
Yes - I'm currently writing a Haskell app that uses a Visual C++ DLL that
I'm also writing. It is quite complicated to link Haskell to Windows DLLs,
so I made a page describing how to do
I found the code at:
http://www.cs.chalmers.se/~rjmh/QuickCheck/QuickCheckM.hs
The only deconstructor there for PropertyM requires a run function
of type m Property - Property. For IO, run is unsafePerformIO.
-m
Malcolm Wallace [EMAIL PROTECTED] writes:
Mike Gunter [EMAIL PROTECTED]
Folks,
I'm curious about how the following bit of Lisp code would translate
to Haskell. This is my implementation of Lisp RPC and it basically
sends strings around, printed readably and read on the other end by
the Lisp reader. If I have a list '(1 2) it prints as (1 2) and
becomes '(1
On 5/25/06, Joel Reymont [EMAIL PROTECTED] wrote:
This is an example from my test harness:
(define-test remote-basic
(def-remote-class remote (server) ())
(def-remote-method sum :sync ((self remote) (a fixnum) (b integer))
(declare (ignorable ip port))
On May 25, 2006, at 2:25 PM, Jason Dagit wrote:
On 5/25/06, Joel Reymont [EMAIL PROTECTED] wrote:
This is an example from my test harness:
(define-test remote-basic
(def-remote-class remote (server) ())
(def-remote-method sum :sync ((self remote) (a fixnum) (b
integer))
On May 25, 2006, at 6:14 PM, Jeremy O'Donoghue wrote:
Hi Walt,
I'm using Haskell (GHC and Hugs) on several different platforms.
Windows, OS X and Linux systems.
Assuming that you want your students to be able to use any of the
above platforms, the only options I know of which work well on
Thomas Davie wrote:
When working on Macs I've found SubEthaEdit to be by far the best
Haskell editor, emailing the guy tends to have quite good results in
terms of getting it free if you say you're involved in education.
Although I do hope that some people choose to pay for the software so
I agree with most of your comments Claus. I think that the remaining
difference of opinion is just how much of the I/O semantics one might
expect to see in a textbook on FP (more specifically, Haskell). My
concern is two-fold:
First, to cover ALL of I/O would be an enormous undertaking; at
Given that we have no easy way to serialize thunks, the whole RPC
approach just seems wrong for Haskell.
RPC in general is pretty old school. REST seems to have worked better
in practice (e.g. HTTP GET/POST!).
For a general description of REST see
OK I'm punting on the AMD libraries for now and will just use the Atlas
libraries until I can get
to the bottom of this.
However, for me, it seems the rabbit hole goes a little deeper on the
issue of array copies. Consider this
code snippet
import Matrix
main = do
print Matrices
let
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