Replace transitiveClosure (commonizer-api) with closure (tooling-core)
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@@ -1,32 +0,0 @@
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/*
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* Copyright 2010-2021 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 org.jetbrains.kotlin.commonizer.util
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public inline fun <reified T> transitiveClosure(seed: T, edges: T.() -> Iterable<T>): Set<T> {
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// Fast path when initial edges are empty
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val initialEdges = seed.edges()
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if (initialEdges is Collection && initialEdges.isEmpty()) return emptySet()
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val queue = deque<T>(initialEdges.count() * 2)
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val results = mutableSetOf<T>()
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queue.addAll(initialEdges)
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while (queue.isNotEmpty()) {
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// ArrayDeque implementation will optimize this call to 'removeFirst'
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val resolved = queue.removeAt(0)
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if (resolved != seed && results.add(resolved)) {
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queue.addAll(resolved.edges())
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}
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}
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return results.toSet()
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}
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@PublishedApi
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internal inline fun <reified T> deque(initialSize: Int): MutableList<T> {
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return if (KotlinVersion.CURRENT.isAtLeast(1, 4)) ArrayDeque(initialSize)
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else ArrayList(initialSize)
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}
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