I'm in the process of learning Scala, and started working through a series of coding puzzles that I've done previously in other languages.

For example, this solution, coded in Erlang:

sum_multiples(Max, Max, Acc) -> io:format("The sum of all the multiples of 3 or 5 below ~p: ~p~n", [Max, Acc]);
sum_multiples(Current, Max, Acc) when (Current rem 3 == 0) or (Current rem 5 == 0) -> sum_multiples(Current + 1, Max, Current + Acc);
sum_multiples(Current, Max, Acc) -> sum_multiples(Current + 1, Max, Acc).

Now, doing this same problem in Scala, I wrote this:

val max = 1000
println(s"The sum of all the multiples of 3 or 5 below ${max}: " + sum_multiples_recursive(1, max, 0))
def sum_multiples_recursive(current: Int, max: Int, acc: Int): Int = {
  if(current < max){
    if(current % 3 == 0 || current % 5 == 0){
      sum_multiples_recursive(current + 1, max, current + acc)
    } else {
      sum_multiples_recursive(current + 1, max, acc)
    }
  } else {
    acc
  }
}

I'd like to see what an experienced Scala coder might write, what Scala idioms might come into play.