any

Common
JVM
JS
Native
1.0
fun < T > Array < out T > . any ( ) : Boolean
(source)
fun ByteArray . any ( ) : Boolean
(source)
fun ShortArray . any ( ) : Boolean
(source)
fun IntArray . any ( ) : Boolean
(source)
fun LongArray . any ( ) : Boolean
(source)
fun FloatArray . any ( ) : Boolean
(source)
fun DoubleArray . any ( ) : Boolean
(source)
fun BooleanArray . any ( ) : Boolean
(source)
fun CharArray . any ( ) : Boolean
(source)
@ExperimentalUnsignedTypes fun UIntArray . any ( ) : Boolean
(source)
@ExperimentalUnsignedTypes fun ULongArray . any ( ) : Boolean
(source)
@ExperimentalUnsignedTypes fun UByteArray . any ( ) : Boolean
(source)
@ExperimentalUnsignedTypes fun UShortArray . any ( ) : Boolean
(source)

Returns true if array has at least one element.

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val emptyList = emptyList<Int>()
println("emptyList.any() is ${emptyList.any()}") // false

val nonEmptyList = listOf(1, 2, 3)
println("nonEmptyList.any() is ${nonEmptyList.any()}") // true
//sampleEnd
}
Common
JVM
JS
Native
1.0
inline fun < T > Array < out T > . any (
predicate : ( T ) -> Boolean
) : Boolean

(source)
inline fun ByteArray . any (
predicate : ( Byte ) -> Boolean
) : Boolean

(source)
inline fun ShortArray . any (
predicate : ( Short ) -> Boolean
) : Boolean

(source)
inline fun IntArray . any ( predicate : ( Int ) -> Boolean ) : Boolean
(source)
inline fun LongArray . any (
predicate : ( Long ) -> Boolean
) : Boolean

(source)
inline fun FloatArray . any (
predicate : ( Float ) -> Boolean
) : Boolean

(source)
inline fun DoubleArray . any (
predicate : ( Double ) -> Boolean
) : Boolean

(source)
inline fun BooleanArray . any (
predicate : ( Boolean ) -> Boolean
) : Boolean

(source)
inline fun CharArray . any (
predicate : ( Char ) -> Boolean
) : Boolean

(source)
inline fun < T > Iterable < T > . any (
predicate : ( T ) -> Boolean
) : Boolean

(source)
@ExperimentalUnsignedTypes inline fun UIntArray . any (
predicate : ( UInt ) -> Boolean
) : Boolean

(source)
@ExperimentalUnsignedTypes inline fun ULongArray . any (
predicate : ( ULong ) -> Boolean
) : Boolean

(source)
@ExperimentalUnsignedTypes inline fun UByteArray . any (
predicate : ( UByte ) -> Boolean
) : Boolean

(source)
@ExperimentalUnsignedTypes inline fun UShortArray . any (
predicate : ( UShort ) -> Boolean
) : Boolean

(source)

Returns true if at least one element matches the given predicate .

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val isEven: (Int) -> Boolean = { it % 2 == 0 }
val zeroToTen = 0..10
println("zeroToTen.any { isEven(it) } is ${zeroToTen.any { isEven(it) }}") // true
println("zeroToTen.any(isEven) is ${zeroToTen.any(isEven)}") // true

val odds = zeroToTen.map { it * 2 + 1 }
println("odds.any { isEven(it) } is ${odds.any { isEven(it) }}") // false

val emptyList = emptyList<Int>()
println("emptyList.any { true } is ${emptyList.any { true }}") // false
//sampleEnd
}
Common
JVM
JS
Native
1.0
fun < T > Iterable < T > . any ( ) : Boolean
(source)

Returns true if collection has at least one element.

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val emptyList = emptyList<Int>()
println("emptyList.any() is ${emptyList.any()}") // false

val nonEmptyList = listOf(1, 2, 3)
println("nonEmptyList.any() is ${nonEmptyList.any()}") // true
//sampleEnd
}
Common
JVM
JS
Native
1.0
fun < K , V > Map < out K , V > . any ( ) : Boolean
(source)

Returns true if map has at least one entry.

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val emptyList = emptyList<Int>()
println("emptyList.any() is ${emptyList.any()}") // false

val nonEmptyList = listOf(1, 2, 3)
println("nonEmptyList.any() is ${nonEmptyList.any()}") // true
//sampleEnd
}
Common
JVM
JS
Native
1.0
inline fun < K , V > Map < out K , V > . any (
predicate : ( Entry < K , V > ) -> Boolean
) : Boolean

(source)

Returns true if at least one entry matches the given predicate .

import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
val isEven: (Int) -> Boolean = { it % 2 == 0 }
val zeroToTen = 0..10
println("zeroToTen.any { isEven(it) } is ${zeroToTen.any { isEven(it) }}") // true
println("zeroToTen.any(isEven) is ${zeroToTen.any(isEven)}") // true

val odds = zeroToTen.map { it * 2 + 1 }
println("odds.any { isEven(it) } is ${odds.any { isEven(it) }}") // false

val emptyList = emptyList<Int>()
println("emptyList.any { true } is ${emptyList.any { true }}") // false
//sampleEnd
}