scala颗粒化函数

scala> def m(a:Int,b:Int) = a+b
m: (a: Int, b: Int)Int

scala> m(1,2)
res0: Int = 3

//颗粒化函数
//把原来输入两个参数的函数转换为一个
scala> def n(a:Int)(b:Int) = a+b
n: (a: Int)(b: Int)Int

scala> n(1)(2)
res1: Int = 3