Applications and libraries/Generic programming
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Common library for generic programming
Johan Jeuring and Andres Loeh announced (in 2006) an initiative to design a common library for generic programming, which should work together with most of the Haskell compilers, and for which they hope to guarantee support for generics in Haskell into the future. If you want to get involved (or just want to see the discussion), you can subscribe to the generics mailing list (mostly idle since ~2010). Check the Haskell research wiki for some background on generics.
We have identified a number of approaches that are potential candidates to a generic programming library:
Generics for the Masses
Generics as a library
Almost compositional functions
At the moment we are discussing the advantages and disadvantages of the different approaches. Each approach is roughly two weeks under discussion and the results will be published in this Wiki Page. There is also a darcs repository where you can find some code that we are collecting. For retrieving this code do:
> darcs get http://code.haskell.org/generics/
The template that we are using to summarise the different approaches can be found here.
We have developed a benchmark suite that tests the expressiveness of different generic programming libraries. For more information go to: GPBench.