Kotlin之条件控制

if判断

var num = 1

var res = if (num == 1) {
    2
} else {
    1
}
println(res)

when

var num = 1

var res = when (num) {
    in 1..10, is Int -> {
        println("num is in 1..10 is Int")
        1
    }
    1, 2 -> {
        println("1or2")
        2
    }

    else -> {
        println("other")
        3
    }
}
println(res)