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package io.fluidsonic.stdlib


data class Optional(
	val value: Value? = null
) {

	init {
		freeze()
	}


	inline fun  mapValue(mapping: (Value) -> MappedValue?) =
		Optional(value?.let(mapping))


	companion object {

		private val empty = Optional()


		@Suppress("UNCHECKED_CAST")
		fun  empty() = empty as Optional
	}
}