< richodemus> ``` data class Username val name String init r kotlinlang #announcements

<@U1UPP8WSX> ``` data class Username(val name: St...

kirillrakhman

11/24/2016, 9:02 AM

@richodemus

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data class Username(val name: String) {
    init {
        require(name.isNotEmpty())
    } 
}

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