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/*
* Copyright 2010-2024 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.backend.common
fun MutableList.push(element: E) = this.add(element)
fun MutableList.pop() = this.removeAt(size - 1)
fun MutableList.peek(): E? = if (size == 0) null else this[size - 1]