package com.ming.test
import scala.math._
object AnonymousFunc {
def valueAtOneQuarter(f:(Double)=>Double)=f(0.25)
def mulby(factor:Double)=(x:Double,y:Double)=>factor*x*y
def main(args: Array[String]): Unit = {
var a=Array(3.14,2,3).map { (x:Double) => 3*x }
for(i<-a)println(i)
var b=valueAtOneQuarter(ceil _)
println(b)
var c=mulby(4)
var d=c(4,5)
println(d)
//高阶函数的使用,打印一个三角形
(1 to 9).map("*" * _).foreach {println }
(1 to 9).filter(_ % 2==0).foreach { println}
//对字符串进行排序哦
"mdasfsda,sdafdsaf,saf,哈哈发生大幅".split(",").sortWith(_.length>_.length).foreach { println }
aa()
}
//控制抽象
def until(condition: => Boolean)(block: =>Unit){
if(!condition){
block
until(condition)(block)
}
}
def aa()={
var x=10
until (x==0){
x-=1
println(x)
}
}
}