``` val x List lt Double gt = listOf 1 0 null 3 0 val y List kotlinlang #announcements

``` val x: List<Double?> = listOf(1.0, n...

liamd

08/17/2017, 7:20 PM

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val x: List<Double?> = listOf(1.0, null, 3.0)
    val y: List<Double> = x.filter { it != null }

this doesn't work but how can i get a list of optionals to be non-optional as far as the compiler is concerned?