```when func in S gt println $it in S null gt println null e kotlinlang #getting-started

```when (func()) { in S -> println("$it in ...

supra

05/18/2020, 5:49 AM

Copy code

when (func()) {
    in S -> println("$it in S")
    null -> println("null")
    else -> println("$it not in S")
}

crummy

05/18/2020, 5:51 AM

when (val f = func())

works

supra

05/18/2020, 6:48 AM

thanks

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