Kotlin
Kotlin
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kotlin.collections.none

none

kotlin-stdlib / kotlin-collections - none 
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) -> Boolea