ExtFunctions.kt

inline fun <T> MutableIterable<T>.iter(func: MutableIterator<T>.(T) -> Unit) {
    val iter = iterator()

    while (iter.hasNext()) {
        val item = iter.next()
        iter.func(item)
    }
}

fun example() {
    val list = mutableListOf("one", "two", "three", "four")

    list.iter { anotherNameOfMyChoosingBesidesIt ->
        println(anotherNameOfMyChoosingBesidesIt)

        if (anotherNameOfMyChoosingBesidesIt == "three") {
            remove()
        }
    }
}