e g ``` open class Base class First val x String Base val x kotlinlang #language-proposals

e.g. ``` open class Base class First(val x: String...

jkbbwr

06/13/2016, 11:13 AM

e.g.

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open class Base
class First(val x: String) : Base()
val x = listOf<Base>(First("test"))
x.filter { it is First }.sortedBy { it.x }