two line operator, expression in curled braces, 5

gistfile1.txt

object ScalaHackSession {
  var a = 0                                       //> a  : Int = 0
  if (a < 10) a = a + 1
  println(a)                                      //> 1

  if (a < 10) a = {
    println("before: " + a)
    a + 1
  }                                               //> before: 1
  println("after: " + a)                          //> after: 2
}