From my experience C# was pretty much following Scala down the functional road, and the syntax was quite similar. Maybe you should check out Scala. Edit: I say

From my experience C# was pretty much following Scala down the functional road, and the syntax was quite similar. Maybe you should check out Scala. Edit: I say "was" because I used to develop C# and had experience porting C# apps to Scala (so that we could run it on linux, lol).