fun <T> Iterable<T>.none(): Boolean
Returns true
if the collection has no elements.
inline fun <T> Iterable<T>.none( predicate: (T) -> Boolean ): Boolean
inline fun <T> Array<out T>.none( predicate: (T) -> Boolean ): Boolean
inline fun ByteArray.none( predicate: (Byte) -> Boolean ): Boolean
inline fun ShortArray.none( predicate: (Short) -> Boolean ): Boolean
inline fun IntArray.none( predicate: (Int) -> Boolean ): Boolean
inline fun LongArray.none( predicate: (Long) -> Boolean ): Boolean
inline fun FloatArray.none( predicate: (Float) -> Boolean ): Boolean
inline fun DoubleArray.none( predicate: (Double) -> Boolean ): Boolean
inline fun BooleanArray.none( predicate: (Boolean) -> Boolean ): Boolean
inline fun CharArray.none( predicate: (Char) -> Boolean ): Boolean
Returns true
if no elements match the given predicate.
fun <K, V> Map<out K, V>.none(): Boolean
Returns true
if the map has no entries.
inline fun <K, V> Map<out K, V>.none( predicate: (Entry<K, V>) -> Boolean ): Boolean
Returns true
if no entries match the given predicate.
fun <T> Array<out T>.none(): Boolean
fun ByteArray.none(): Boolean
fun ShortArray.none(): Boolean
fun IntArray.none(): Boolean
fun LongArray.none(): Boolean
fun FloatArray.none(): Boolean
fun DoubleArray.none(): Boolean
fun BooleanArray.none(): Boolean
fun CharArray.none(): Boolean
Returns true
if the array has no elements.
© 2010–2017 JetBrains s.r.o.
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/none.html