``` val foo String = null foo let it as String length TypeCa kotlinlang #announcements

``` val foo: String? = null foo.let { (it as ...

uhe

04/21/2016, 11:06 AM

Copy code

val foo: String? = null

foo.let {
    (it as String).length // TypeCastException obviously
}

Could this be prevented at compile time? Something along the lines of "this cast cannot succeed"?

4 Views