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https://github.com/DanilaFe/abacus
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16 lines
584 B
Kotlin
16 lines
584 B
Kotlin
@file:JvmName("NumberUtils")
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package org.nwapw.abacus.number
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typealias PromotionFunction = java.util.function.Function<NumberInterface, NumberInterface>
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typealias PromotionPath = List<PromotionFunction>
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typealias NumberClass = Class<NumberInterface>
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/**
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* Promote a number through this path. The functions in this path
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* are applied in order to the number, and the final result is returned.
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*
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* @param from the number to start from.
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*/
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fun PromotionPath.promote(from: NumberInterface): NumberInterface {
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return fold(from, { current, function -> function.apply(current) })
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} |