Re: Representing cyclic data structures efficiently in Haskell

2003-07-08 Thread John O'Donnell
such as the pointer equality method used in the 1988 Hydra paper. Observable sharing (Claessen and Sands, 1999) is identical to the solution that was implemented in Hydra in the mid 80's and described in the 1988 paper; the difference is that they call the approach "obser

Re: [Haskell-cafe] Re: Writing great documentation[MESSAGE NOT SCANNED]

2009-11-14 Thread John O'Donnell
cutable application is able to find its own documentation files. This is usful in a GUI program, for example, where it's nice to make the documentation availble under the Help menu. Something along these lines (with a cleaner design) would be generally useful. John O'Donnell On

[Haskell-cafe] cabal update doesn't work on Windows XP

2010-06-03 Thread John O'Donnell
Hi, Has anyone managed to get cabal to run on Windows? I'm running Windows XP. There are lots of other things, including old version of Haskell tools, installed, but it's too costly to try installing cabal on a fresh machine image. Whenever I do cabal update, the response is "Unsuccessful

RE: [Haskell-cafe] hs-plugins compile error

2008-06-03 Thread John O'Donnell
t but according to gcc documentation -V requires an argument. Has anyone managed to get hs-plugins to work? If so, what platform, which version of ghc and gcc, and where did you find the hs-plugins source? Best wishes, John O'Donnell ... from config.log... gcc version 4.3.0 20080428 (Red H

RE: [Haskell-cafe] hs-plugins compile error

2008-06-03 Thread John O'Donnell
years ago, but it's never worked on any of my systems since then. John -Original Message- From: Edsko de Vries [mailto:[EMAIL PROTECTED] Sent: Tue 2008-06-03 15:35 To: John O'Donnell Cc: Edsko de Vries; Don Stewart; haskell-cafe@haskell.org Subject: Re: [Haskell-cafe] hs-plugi

RE: [Haskell-cafe] FPGA / Lava and haskell

2008-07-12 Thread John O'Donnell
ew more papers that give an overview of Hydra with some examples,: www.dcs.gla.ac.uk/~jtod/publications/1995-Hydra-FPLE/ www.dcs.gla.ac.uk/~jtod/publications/2002-Hydra-PDSECA/ www.dcs.gla.ac.uk/~jtod/publications/2004-DeriveFastAdder/ John O'Donnell -Original Message- From: [