The fast write-only way: - generate C code with JHC (no haskell runtime) - use a C-to-java converter , for example, c2j (http://www.novosoft-us.com)
At least you can laugh at the generated code. anyone tried that? Alberto 2010/6/18 wren ng thornton <w...@freegeek.org>: > Edward Z. Yang wrote: >> >> Excerpts from Paul Lotti's message of Thu Jun 17 15:33:30 -0400 2010: >>> >>> Same feelings here. I work in a company that uses C++/Java and the best >>> I could >>> manage was to use Haskell for prototyping and then deliver in Java. This >>> worked >>> out twice so far. The downside is having to translate it later. >> >> *Shudders at the though.* Must be a what, x10 size blow-up? > > I've done that too. It works fairly well for certain kinds of > programs/problems, but you have to be careful about your abstractions. > > For instance, Java Generics are no substitute for real parametric > polymorphism. They only work for the simplest kind of container/element > polymorphism, interact poorly (i.e., not at all) with subclassing, and > explode with many of the higher-order tricks common in idiomatic Haskell. > Any sort of higher-order programming (HOFs, point-free style, CPS, > parametricity,...) rarely translates well--- especially if you want to avoid > code bloat and have anything resembling idiomatic Java. Though sometimes > defunctionalization[1] can help. > > The code blow up varies. 10x is on the good side of things and indicates a > good match of abstractions. 20x or 30x is more common I think. But if you're > relying on any libraries or fancy datastructures, you'll be lucky not to > have to reimplement everything... > > > [1] > http://blog.plover.com/prog/defunctionalization.html > http://www.brics.dk/RS/01/23/ > http://cristal.inria.fr/~fpottier/publis/fpottier-gauthier-popl04.pdf > > -- > Live well, > ~wren > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe > _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
