kollections-interoperable/kollections/Collection

Collection

interface Collection<out E> : CollectionLike<E> , FunctionalCollection<E>

Inheritors

MutableCollection

AbstractCollection

Functions

abstract fun <K2, V2> associate(transformer: (E) -> MapEntry<K2, V2>): Map<K2, V2>

abstract operator override fun contains(element: E): Boolean

abstract fun containsAll(elements: Collection<E>): Boolean

abstract fun filter(predicate: (E) -> Boolean): List<E>

abstract fun first(): E

abstract fun firstOrNull(): E?

abstract fun forEach(lambda: (item: E) -> Unit)

forEachWithIndex

abstract fun forEachWithIndex(lambda: (item: E, index: Int) -> Unit)

abstract override fun isEmpty(): Boolean

abstract operator fun iterator(): Iterator<E>

abstract fun <R> map(transform: (item: E) -> R): List<R>

abstract fun <R> mapToArray(transform: (item: E) -> R): Array<R>

mapToArrayWithIndex

abstract fun <R> mapToArrayWithIndex(transform: (item: E, index: Int) -> R): Array<R>

abstract fun <R> mapWithIndex(transform: (item: E, index: Int) -> R): List<R>

inline fun <E> Collection<E>.toIList(): List<E>

inline fun <E> Collection<E>.toIMutableList(): MutableList<E>

inline fun <E> Collection<E>.toIMutableSet(): MutableSet<E>

inline fun <E> Collection<E>.toISet(): Set<E>

Properties

abstract override val size: Int