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soudmaijer/Optional.kt

Last active May 20, 2018 19:52
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Optional.kt
val orderOrElse: Order = orderById?.apply {
// do stuff with order
} ?: Order() // orElse with default
val orderOrElseThrow: Order = orderById?.apply {
// do stuff with order
} ?: throw RuntimeException("orElseThrow") // orElseThrow
val orderId: Long? = orderById?.let {
// do stuff with order
it.id
} // Return something else than an Order
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