Code snippet for the `Leveraging the Power of Snapshots in Jetpack Compose` Medium article.

board-action.kt

@Immutable
sealed interface BoardAction {

    @Immutable
    data class Add(val sticker: Sticker) : BoardAction
  
    @Immutable
    data class Remove(val id: String) : BoardAction

    @Immutable
    data class Transform(
        override val id: String,
        val offset: Offset,
        val zIndex: Int,
        val scaleX: Float,
        val scaleY: Float,
        val rotationZ: Float
    ) : BoardAction {
        constructor(sticker: Sticker) : this(
            id = sticker.id,
            offset = sticker.offset,
            zIndex = sticker.zIndex,
            scaleX = sticker.scaleX,
            scaleY = sticker.scaleY,
            rotationZ = sticker.rotationZ
        )
    }
}