kotlin-stdlib / kotlin.collections / removeAll

removeAll

Common
JVM
JS
Native
1.0
fun <T> MutableCollection<out T>.removeAll(
    elements: Collection<T>
): Boolean

Removes all of this collection's elements that are also contained in the specified collection.

Allows to overcome type-safety restriction of removeAll that requires to pass a collection of type Collection<E>.

Return true if any of the specified elements was removed from the collection, false if the collection was not modified.

Common
JVM
JS
Native
1.0
fun <T> MutableCollection<in T>.removeAll(
    elements: Iterable<T>
): Boolean

Removes all elements from this MutableCollection that are also contained in the given elements collection.

Common
JVM
JS
Native
1.0
fun <T> MutableCollection<in T>.removeAll(
    elements: Sequence<T>
): Boolean

Removes all elements from this MutableCollection that are also contained in the given elements sequence.

Common
JVM
JS
Native
1.0
fun <T> MutableCollection<in T>.removeAll(
    elements: Array<out T>
): Boolean

Removes all elements from this MutableCollection that are also contained in the given elements array.

Common
JVM
JS
Native
1.0
fun <T> MutableIterable<T>.removeAll(
    predicate: (T) -> Boolean
): Boolean

Removes all elements from this MutableIterable that match the given predicate.

Return true if any element was removed from this collection, or false when no elements were removed and collection was not modified.

Common
JVM
JS
Native
1.0
fun <T> MutableList<T>.removeAll(
    predicate: (T) -> Boolean
): Boolean

Removes all elements from this MutableList that match the given predicate.

Return true if any element was removed from this collection, or false when no elements were removed and collection was not modified.