kotlin-stdlib/kotlin.collections/MutableListIterator

MutableListIterator

interface MutableListIterator<T> : ListIterator<T> , MutableIterator<T> (source)

An iterator over a mutable collection that supports indexed access. Provides the ability to add, modify and remove elements while iterating.

Since Kotlin

1.0

Functions

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abstract fun add(element: T)

Adds the specified element element into the underlying collection immediately before the element that would be returned by next, if any, and after the element that would be returned by previous, if any. (If the collection contains no elements, the new element becomes the sole element in the collection.) The new element is inserted before the implicit cursor: a subsequent call to next would be unaffected, and a subsequent call to previous would return the new element. (This call increases by one the value
that would be returned by a call to nextIndex or previousIndex.)

Since Kotlin 1.0
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fun <T> Iterator<T>.asSequence(): Sequence<T>

Creates a sequence that returns all elements from this iterator. The sequence is constrained to be iterated only once.

Since Kotlin 1.0
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inline fun <T> Iterator<T>.forEach(operation: (T) -> Unit)

Performs the given operation on each element of this Iterator.

Since Kotlin 1.0
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abstract operator override fun hasNext(): Boolean

Returns true if the iteration has more elements.

Since Kotlin 1.0
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abstract fun hasPrevious(): Boolean

Returns true if there are elements in the iteration before the current element.

Since Kotlin 1.0
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inline operator fun <T> Iterator<T>.iterator(): Iterator<T>

Returns the given iterator itself. This allows to use an instance of iterator in a for loop.

Since Kotlin 1.0
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abstract operator override fun next(): T

Returns the next element in the iteration.

Since Kotlin 1.0
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abstract fun nextIndex(): Int

Returns the index of the element that would be returned by a subsequent call to next.

Since Kotlin 1.0
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abstract fun previous(): T

Returns the previous element in the iteration and moves the cursor position backwards.

Since Kotlin 1.0
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abstract fun previousIndex(): Int

Returns the index of the element that would be returned by a subsequent call to previous.

Since Kotlin 1.0
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abstract override fun remove()

Removes from the underlying collection the last element returned by this iterator.

Since Kotlin 1.0
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abstract fun set(element: T)

Replaces the last element returned by next or previous with the specified element element.

Since Kotlin 1.0
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fun <T> Iterator<T>.withIndex(): Iterator<IndexedValue<T>>

Returns an Iterator that wraps each element produced by the original iterator into an IndexedValue containing the index of that element and the element itself.

Since Kotlin 1.0