Which Functional programming language offers best support in Eclipse?

问题

As an exercise my team is looking at learning functional programming. One of the factors to choose a language is its support in Eclipse. Any language with Eclipse plug-in is fine but what language offers the best free plug-in?

Bonus question: the best online/book tutorial for this language.

回答1:

I don't know if it is the best, but it is evolving and improving fast:

Scala IDE (up to Scala2.8.1RC1 right now)

As for the best online Scala book:

Programming Scala (Creative Commons Attribution-Noncommercial)

But you will find other online sources in the SO question "List of freely available programming books".

回答2:

Clojure is pretty well supported with the Counterclockwise plugin in Eclipse. Key features:

A nice syntax aware editor including rainbow braces
An integrated REPL
Dependency management orks reasonably nicely with Maven, other Eclipse plugins etc.
Debug mode works fairly well

回答3:

I would go for Javascript, with Eclipse + Aptana plug-in and Secrets of the Javascript Ninja for a book with some nice advanced material.

回答4:

Since nobody gave this answer I have to add it.

Groovy offers Java integration, Eclipse plugin and integration, and functional features. Many would argue that it's a scripting language but it's a complete language nonetheless. And it's obvious choice for Java junkies...