kotlin入門(五)區間range

/**

* Created by wangpeisen_sx on 17-6-19.

*/

val range: IntRange = 0..1024 //[0,1024]

val range_exclusive: IntRange = 0 until 1024 //[0,1024} = [0,1023]

val emptyRange: IntRange = 0..-1

fun main(args: Array<String>) {

println(emptyRange.isEmpty())//true

println(emptyRange.contains(50))

println(50 in emptyRange) //同上

for (i in range_exclusive) {

println("/" + i)

}

}