Re: [Haskell-cafe] Musings on type systems

2010-11-23 Thread Andrew Coppin
On 20/11/2010 08:42 AM, Tillmann Rendel wrote: Hi Andrew, Andrew Coppin wrote: Now, what about type variables? What do they do? Well now, that seems to be slightly interesting, since a type variable holds an entire type (whereas normal program variables just hold a single value), and each occur

[Haskell-cafe] Re: GHC Out of memory

2010-11-23 Thread John Smith
On 23/11/2010 10:36, Christopher Done wrote: What version of GHC/qtHaskell? GHC 6.12.3, qtHaskell 1.1.4 ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

Re: [Haskell-cafe] GHC Out of memory

2010-11-23 Thread Stefan Kersten
On 23.11.10 09:36, Christopher Done wrote: > What version of GHC/qtHaskell? i've also noticed this on linux and osx with ghc 6.12.1/6.12.3 and qtHaskell 1.1.3.5/1.1.4. possibly a memory leak in ghc --make? ___ Haskell-Cafe mailing list Haskell-Cafe@has

Re: [Haskell-cafe] Re: Re: Reply-To: Header in Mailinglists

2010-11-23 Thread Tillmann Rendel
Hi, Nick Bowler wrote: There is another header, Mail-Followup-To, which tells MUAs to also drop the To and CC lists. Interesting. So is it a good idea to use Mail-Followup-To to move a discussion from one list to another? To: hask...@haskell.org CC: haskell-cafe@haskell.org Mail-Follo

[Haskell-cafe] Re: Cabal-install is broken

2010-11-23 Thread Christian Maeder
Am 22.11.2010 23:16, schrieb Permjacov Evgeniy: > current cabal-install (0.8.2) cannot be compiled with ghc-7.0.1 set of > boot libraries. It requires cabal 1.8.* wich fails to compile. Does > anyone worked this out ? You can re-use your old cabal binary (if you still have it) that was compiled wi

[Haskell-cafe] Re: Why does cabal unnecessarily reinstall dependencies?

2010-11-23 Thread Christian Maeder
I've noticed that ghc-6.10.4 did not work well with cabal-install version 0.8.2. (cabal install gtk did not work.) Everything was fine after I switched back to: cabal-install version 0.6.2 using version 1.6.0.3 of the Cabal library and removing the Cabal 1.8... library package. Cheers Christian

[Haskell-Cafe] VNC server in Haskell

2010-11-23 Thread C K Kashyap
Hi, I've implemented a VNC server (very incomplete) - What it can do currently is display a blue screen (100x100 screen). It's very trivial to try out - https://github.com/ckkashyap/Chitra I look forward to some feedback/comments on this. -- Regards, Kashyap

Re: [Haskell-cafe] Why does cabal unnecessarily reinstall dependencies?

2010-11-23 Thread Erik Hesselink
It might be that it both your own package and the dependencies cabal tries to reinstall all depend on some package P. If the dependencies are installed depending on P version 1, but to satisfy all dependencies for your own package, cabal needs them to depend on P version 2, cabal will reinstall the

Re: [Haskell-cafe] Why does cabal unnecessarily reinstall dependencies?

2010-11-23 Thread Nicolas Maupu
On Mon, Nov 22, 2010 at 22:26, Martijn van Steenbergen wrote: > Hello cafe, Hello > > When I want to locally install my own package through "cabal install" it > tries to reinstall dependencies convertible-1.0.9.1, HDBC-2.2.6.1 and > HDBC-mysql-0.6.3 even though they are already installed (and wor

[Haskell-cafe] Wrong Package-URL in regex-tdfa.cabal

2010-11-23 Thread José Romildo Malaquias
Hello. The cabal file for the regex-tddfa-1.1.6 package seems to have an invalid URL for the Package-URL field: Package-URL: http://darcs.haskell.org/packages/regex-unstable/regex-tdfa/ It should be fixed. Regards. Romildo ___ Haskell-Cafe mailing li

Re: [Haskell-cafe] GHC Out of memory

2010-11-23 Thread Christopher Done
What version of GHC/qtHaskell? On 23 November 2010 08:21, John Smith wrote: > I get an out-of-memory error about two thirds of the way through building > qtHaskell. If I start again, the remaining modules are compiled > successfully, although GHC's memory usage creeps up to about 1.5Gb by the >