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• ReferenceSupport.kt

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io.github.monun.kommand.ref.ReferenceSupport.kt Maven / Gradle / Ivy

/*
 * Kommand
 * Copyright (C) 2021 Monun
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */

package io.github.monun.kommand.ref

import java.lang.ref.WeakReference
import kotlin.reflect.KProperty

fun  weak(referent: T) = WeakReference(referent)

operator fun  WeakReference.getValue(thisRef: Any?, property: KProperty<*>): T {
    return get() ?: error("Reference collected by garbage collector.")
}