Kotlin基础 3 - <具名参数，变长参数，默认参数>

具名参数

变长参数

Spread Operator

默认参数

fun main(args: Array<String>) {
hello(0.5,1,2,3,4,name = "5")
//or 或者这么写 * 号表示把参数展开
var array = intArrayOf(1,2,3,5)
hello(list = *array,name = "张三")
//默认参数 类似 c
hello(2.5,*array,name = "逗比")
}

fun hello(double: Double = 3.0 ,vararg list: Int, name: String) {
list.forEach(::println)
}