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removeFirstOrNull

Platform and version requirements: JVM (1.4), JS (1.4), Native (1.4)
fun <T> MutableList<T>.removeFirstOrNull(): T?

Removes the first element from this mutable list and returns that removed element, or returns null if this list is empty.

© 2010–2020 JetBrains s.r.o. and Kotlin Programming Language contributors
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/remove-first-or-null.html