From: Brian Candler <b.candler@...>
Date: 2011-04-05T17:54:11+09:00
Subject: Re: functional languages -- any recommendations?

7stud -- wrote in post #990914:
> Haskell, Scala, or Erlang?  Which one is the best?

I'd say Erlang would be the easiest to get your head round. It lets you 
create lightweight processes which can send explicit messages to each 
other, and keep their own state. This is pretty similar to the concept 
of "objects", except because it uses real message passing, it eliminates 
many of the problems of threads. Furthermore, your processes could be on 
the same machine or on different ones, and nothing changes in the code.

Calling a function in Erlang can have side effects (in particular, the 
sending of a message), and hence it's not a true functional language.

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