GHC reports an export conflict on the following:
module M where
import List as M
sort = foo
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After a day of running gdb in parallel on my MacOS X and Linux [quite
annoying because of different keyboard layouts ;-) ], I've
come to the following conclusion:
The entry code for BCOs expects all parameters to be on the
stack, but
on non-x86 machines, the stg_ap_*_ret pass
it only happens when i try to compile with profiling enabled.
Profiling (-prof) is incompatible with the native code generator
(-fasm). Leave out -fasm if you want profiling. (Compiling will be
slower without -fasm)
It is only a tiny bug: GHC should complain about incompatible options
It's not spurious. Both
M.sort
and
Data.List.sort
are in scope under both names:
sort and M.sort
And that makes it ambiguous according to the spec.
Simon
| -Original Message-
| From: Ross Paterson [mailto:[EMAIL PROTECTED]]
| Sent: 06 January 2003 12:01
| To:
On Mon, Jan 06, 2003 at 05:36:47PM -, Simon Peyton-Jones wrote:
| GHC reports an export conflict on the following:
|
| module M where
| import List as M
| sort = foo
It's not spurious. Both
M.sort
and
Data.List.sort
are in scope under both names:
Not currently. It's not clear what a point in execution *is*!
The top-level IO monad thread might provide such a point, but even then
it might not be clear how much of a lazy data structure had been
evaluated by that point.
I could see sense in having an I/O operation
markProfile ::
| Why is it that one can't reify top level function declarations? At the
| moment it only seems that we can reify type declarations. No
immediate
| reason for this seems to spring to mind, but there may be one.
[I'm interested to know something about your application, incidentally.]
Several
I am using .hi-boot files quite a lot at the moment. I'm very grateful for the recent
change to a more Haskelly syntax, but I have a couple of suggestions for the GHC team
to implement in their no doubt ample free time. 8-)
(1) Importing a module {-# SOURCE #-} into itself currently produces a
Kirsten Chevalier [EMAIL PROTECTED] writes:
I'd like to be able to determine the percentage of allocated objects of
a particular type at specific points in a program's execution. I know
that I can use heap profiling to create a graph of memory usage broken
down by type, but is there any way
The rewritten documentation can be translated
to HTML using just a standard xsltproc tool (available
for both Cygwin Linux) and XSLT DocBook stylesheet.
The main advantage of XML version is that there is
already developed XSLT stylesheet which generates
input for Microsoft HTML Help
Ok,
$ cat null.hs
module Main(main) where
main = return ()
$ ghc null.hs -o null
$ ./null +RTS -?
$
Is your GHCRTS environment variable set to anything?
Cheers,
Simon
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Sure enough, after I say that all my fd reaping issues are solved at
the Haskell level, I've been bitten by issues that look like the RTS
doing things behind my back wrt. reaping fd's etc. etc.
Basically, while I used socketToHandle the fd's got closed
prematurely,
and once I eliminated
On Mon, Jan 06, 2003 at 02:02:13PM -, Simon Marlow wrote:
... actually I've just looked at the code and it looks wrong, aargh!
The finalizer is attached to the wrong side. If you have a source tree
handy, try changing the following line in libraries/base/GHC/Handle.hs:
addMVarFinalizer
Thanks for the suggestions, George. May I suggest that a good place
for these things is the Feature Requests tracker on the GHC
SourceForge page - otherwise good suggestions tend to get lost if we
don't implement them immediately.
I am using .hi-boot files quite a lot at the moment. I'm
John Meacham wrote:
[...] --show-iface seems to not be able to show .hi files
created when
profiling is turned on. [...]
Use the (undocumented :-) option -buildtag p *before*
--show-iface, e.g.
ghc -buildtag p --show-iface Foo.p_hi
It doesn't work after --show-iface,
Hello,
I seem to be having some trouble doing this and have a couple of questions..
The first question is how do you use --make option when doing this?
Section 4.5 of the users guide seems to contradictory to me.
It states..
The command line must contain one source file or module name
and
Ah, I'd definatly like to request it for GHC. as well as a version in
the IO monad, I have wanted both on various occasions.
John
On Mon, Jan 06, 2003 at 12:55:35PM +, Malcolm Wallace wrote:
Kirsten Chevalier [EMAIL PROTECTED] writes:
I'd like to be able to determine the
Folks
Template Haskell is now being used by a few brave souls (they have to
build GHC from scratch), and I don't want to overload the Haskell
mailing list with nitty-gritty discussion about the finer points of TH.
So Simon M has created a separate mailing list
[EMAIL PROTECTED]
for
Simon Peyton-Jones [EMAIL PROTECTED] writes:
Folks
Template Haskell is now being used by a few brave souls (they have to
build GHC from scratch), and I don't want to overload the Haskell
mailing list with nitty-gritty discussion about the finer points of TH.
So Simon M has created a
On Monday, January 6, 2003, at 07:59 AM, Yoann Padioleau wrote:
Simon Peyton-Jones [EMAIL PROTECTED] writes:
Folks
Template Haskell is now being used by a few brave souls (they have to
build GHC from scratch), and I don't want to overload the Haskell
mailing list with nitty-gritty discussion
i tried http://haskell.org/pipermail/template-haskell/
to see the archive of the mailing list but i get an error :
There is a stray character at the end of the URL. Delete it and you'll
find what you're looking for.
Not so; this is the correct URL, but I guess noone has posted yet
EACL 2003 in Budapest, April 12-17, 2003
Workshop Programme and Very Last Call for Workshop Papers
[ DEADLINE FOR ALL WORKSHOPS IS TUESDAY, JANUARY 7 2003 ]
Important dates for all workshops:
--
Submission deadline: Jan 07, 2003
I understand that I can mark-up code segments in a literate source
module using the syntax:
\begin{code}
...
\end{code}
But is it somehow possible to re-define this to be
haskellcode
...
/haskellcode
instead? I am asking because the latter style would enable me to write
Hello,
I read some of the material about Arrows on www.haskell.org/arrows and
I have some questions :
* Why is made the choice to use (,) as Cartesian in first?
Can't we write something like :
class Cartesian p where
pair :: a - b - (p a b)
projLeft :: (p a b) - a
projRight ::
On Mon, Jan 06, 2003 at 11:02:32AM +0100, Nicolas Oury wrote:
* Why is made the choice to use (,) as Cartesian in first?
It's certainly possible to define a more general interface, and the
theoretical work does. However the arrow interface is already very
general, and the question is whether
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