Closures

def someFunc() = {
  var someLocalVariable = 0;
  val closure1 = {()=> someLocalVariable += 5; someLocalVariable; };
  val closure2 = {()=> someLocalVariable -= 2; someLocalVariable; };
  (closure1, closure2);
}

val closures = someFunc();

println(closures._1());
println(closures._1());
println(closures._2());