Dotnet (maybe corresponding to C# 4.x) is warming up to the ideas of Actor-based Concurrency, used in Erlang and Scala. It's not meant to replace, but to be used as an alternative in some situations (different problems probably require different ways to implement concurrency):

http://www.ddj.com/go-parallel/article/printableArticle.jhtml?articleID=214502187

http://weblogs.asp.net/podwysocki/archive/2009/03/02/introducing-maestro-a-dsl-for-actor-based-concurrency.aspx

http://blogs.msdn.com/maestroteam/

Bye,
bearophile

hi bearophile

something similar in D :

http://www.dsource.org/projects/tango.scrapple/browser/trunk/tango/scrapple/thread

actor.d and message.d are the files you may find interesting
guess in D2 we could make it even smarter.

bjoern

bearophile wrote:
> Dotnet (maybe corresponding to C# 4.x) is warming up to the ideas of Actor-based Concurrency, used in Erlang and Scala. It's not meant to replace, but to be used as an alternative in some situations (different problems probably require different ways to implement concurrency):
> 
> http://www.ddj.com/go-parallel/article/printableArticle.jhtml?articleID=214502187
> 
> http://weblogs.asp.net/podwysocki/archive/2009/03/02/introducing-maestro-a-dsl-for-actor-based-concurrency.aspx
> 
> http://blogs.msdn.com/maestroteam/
> 
> Bye,
> bearophile