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AOrobator/SongId.kt

Last active February 21, 2018 00:59
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SongId.kt
sealed class SongId
data class ValidSongId(id: Long) : SongId()
object InvalidSongId : SongId()
val Song.typedId: SongId = if (this.id == -1L) InvalidSongId else SongId(this.id)
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