Ilya Gorbunov
61 lines
1.7 KiB
Kotlin
61 lines
1.7 KiB
Kotlin
/*
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* Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package kotlin.collections
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import kotlin.js.*
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internal fun arrayToString(array: Array<*>) = array.joinToString(", ", "[", "]") { toString(it) }
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@OptIn(ExperimentalUnsignedTypes::class)
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internal fun <T> Array<out T>?.contentDeepHashCodeInternal(): Int {
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if (this == null) return 0
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var result = 1
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for (element in this) {
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val elementHash = when {
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element == null -> 0
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isArrayish(element) -> (element.unsafeCast<Array<*>>()).contentDeepHashCodeInternal()
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element is UByteArray -> element.contentHashCode()
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element is UShortArray -> element.contentHashCode()
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element is UIntArray -> element.contentHashCode()
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element is ULongArray -> element.contentHashCode()
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else -> element.hashCode()
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}
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result = 31 * result + elementHash
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}
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return result
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}
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internal fun <T> T.contentEqualsInternal(other: T): Boolean {
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val a = this.asDynamic()
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val b = other.asDynamic()
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if (a === b) return true
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if (a == null || b == null || !isArrayish(b) || a.length != b.length) return false
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for (i in 0 until a.length) {
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if (!equals(a[i], b[i])) {
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return false
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}
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}
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return true
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}
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internal fun <T> T.contentHashCodeInternal(): Int {
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val a = this.asDynamic()
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if (a == null) return 0
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var result = 1
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for (i in 0 until a.length) {
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result = result * 31 + hashCode(a[i])
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}
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return result
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} |