September 2002 - Haskell-Cafe

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by Your Friend 12 Sep '02

12 Sep '02

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Bilgi Payla�t�k�a Artar
by info 10 Sep '02

10 Sep '02

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mutable records
by Scott J. 10 Sep '02

10 Sep '02

Hi, Is it possible to define oject types in Haskell and what does one propose to do it? Is it possible to define parts of a record with the help of the ST s monad mutable during the whole program? (As is possible in Ocamel)? Thx Scott

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RE: A problem with haskell-mode
by Simon Marlow 09 Sep '02

09 Sep '02

> I had the same problem, and I found a fix somewhere. > Don't reember what exactly I had to change so I'll just send > you my Haskell section of xemacs init.el. > > By the way I get an error whenever I type "undefined". Anyone > else noticed it? > (1) (error/warning) Error in `post-command-hook' (setting > hook to nil): > (wrong-type-argument listp a ) I'm officially the maintainer of the emacs Haskell mode since Reuben Thomas left, but I deleted the section of my brain that contained my knowledge of emacs lisp in order to make more room for GHC, so I'm not a very effective maintainer I'm afraid :( Offers to take over the maintainership are entirely welcome, but in the meantime I'm happy to add any fixes for these kinds of problems to the web page and/or the source. Cheers, Simon

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A problem with haskell-mode
by Deling Ren 06 Sep '02

06 Sep '02

Hi, all, I installed the latest version of Haskell mode for emacs. Whenever I load haskell major mode by opening a haskell file, Xemacs gives me the following error message: (1) (error/warning) Error in `post-command-hook' (setting hook to nil): (void-variable imenu--index-alist) My Xemacs version is 21.4.8. It works well under GNU emacs though. Anybody has an idea how to get around it? Thanks. Deling

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