一头鹿拿个钢管

object magic { val f1:(Int,Int) =>Int =+ val f2:(Int,Int) =>Int=+ def test(fn:(Int,Int)=>Int,x:Int,y:Int):Int={ fn(x,y) } def main(args:Array[String]):Unit={ println(test(f1,10, 20)) println(test(f2,10, 20)) }

}