[Haskell-cafe] Code from Haskell School of Expression hanging.

michael rice nowgate at yahoo.com
Sun Jan 30 03:27:55 CET 2011

I'm using the OpenGL stuff (GLFW). Same set of problems?


--- On Sat, 1/29/11, Daniel Fischer <daniel.is.fischer at googlemail.com> wrote:

From: Daniel Fischer <daniel.is.fischer at googlemail.com>
Subject: Re: [Haskell-cafe] Code from Haskell School of Expression hanging.
To: haskell-cafe at haskell.org
Cc: "michael rice" <nowgate at yahoo.com>
Date: Saturday, January 29, 2011, 9:11 PM

On Sunday 30 January 2011 02:49:27, michael rice wrote:
> I got Hudak's Haskell School of Expression today and just tried a couple
> of the graphics programs from the software I downloaded at the book
> site. Both seem to hang on opening a window. Is there a fix for this
> problem? I'm on a Fedora 14 Linux (32-bit) box running GHC version
> 6.12.3.

It might be that you need to compile the code. And even then, perhaps it 
doesn't run correctly in ghci, iirc, gtk2hs used to not run in ghci (some 
threading issues, I'm not sure whether they've been resolved), maybe the 
graphics library used by HSOE has similar issues. Try and hope for the 

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.haskell.org/pipermail/haskell-cafe/attachments/20110129/0d66557d/attachment.htm>

More information about the Haskell-Cafe mailing list