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• WeakPair.kt

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org.jetbrains.kotlin.util.WeakPair.kt Maven / Gradle / Ivy

/*
 * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
 * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
 */

package org.jetbrains.kotlin.util

import java.lang.ref.WeakReference

class WeakPair(first: K, second: V) {
    private val firstReference: WeakReference = WeakReference(first)
    private val secondReference: WeakReference = WeakReference(second)

    val first: K?
        get() = firstReference.get()

    val second: V?
        get() = secondReference.get()
}

operator fun  WeakPair?.component1(): K? {
    return this?.first
}

operator fun  WeakPair?.component2(): V? {
    return this?.second
}