< forcelain> ``` data class Zeta val a String var b String t kotlinlang #announcements

<@U22E8GSNL> ``` data class Zeta(val a:String, ){...

semoro

09/07/2016, 8:48 AM

@forcelain

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data class Zeta(val a:String, ){
    var b:String? //this property will not in hashCode, equals, toString, copy
}

Also you can use

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data class Zeta(val a:String, ){
    lateinit var b:String
}

But also component operator accessor will be not available for it so you can't

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val (a,b) = zeta

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