I am looking to suppprt Haskell (OCaml ??) for apache.spark.org. Currently there is support for programming language "R" which has functional features (not as rich as Haskell, OCaml, et. al.) and does lazy evaluation. I am going to drop back and look at the R->Scala/Java implementation BUT I will also read your link. Any more.suggestions are gratefully welcome.Kind thx,Vasili
On Tuesday, July 14, 2015, Jason Dagit <dagitj@gmail.com> wrote:Did you look at java bridge?Perhaps counter-intuitively, you're probably better off defining a protocol and using that for interop. Something like zeromq could simplify the communication.The main hassle with a full interop is the difference between the notions of types in the two languages. For instance, subtyping on the Java side doesn't really map well to the Haskell side.I would say that it forces attempts at a general interop to go with a least common denominator approach. In the extreme, this degenerates back to having the code on each side pretend like it's talking to C.Whereas designing a message protocol for your task allows you to incorporate domain specific knowledge and thus avoid a general solution and also leave out things you will never use.On Tue, Jul 14, 2015 at 7:14 PM, Vasili I. Galchin <vigalchin@gmail.com> wrote:Hello,
I have been looking at Hackage for a package/library that
supports Haskell interoperability with Java/Scala. Didn't see any such
support. If true, is there any project in the works?
Thanks,
Vasili
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