One place to start might be category-extras on hackage, which covers a wide array of category theoretic constructs at least as they pertain to the category of Haskell types. http://hackage.haskell.org/package/category-extras There is also Sjoerd Visscher's data-category: http://hackage.haskell.org/package/data-category Beyond that feel free to ask questions. -Edward Kmett On Mon, Mar 29, 2010 at 6:09 AM, Francisco Vieira de Souza < vieira.ufpi@gmail.com> wrote:
Hi Haskell-cafe. I'm trying to use Haskell to program with Categories, but I didn't have seeing some works in this area nor references about this. Does someone can help me ins this subject? Thanks in advance, Vieira
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