求最大公约数

object Base034 {
 //定一个函数，计算两数的和
  def sum(x:Int,y:Int):Int = {
    x + y 
  }
  
  // 字面量语法     看起来就像给变量赋值
  
  // val a = 1
  
  val sum1 = (x:Int,y:Int) => { x + y}
  def main(array: Array[String]): Unit = {
    val a = 2
    val n = 5
    println(s"$a + $n = ${sum1(a,n)}")
  }
}