fun <T> Array<out T>.isNotEmpty(): Boolean

fun ByteArray.isNotEmpty(): Boolean

fun ShortArray.isNotEmpty(): Boolean

fun IntArray.isNotEmpty(): Boolean

fun LongArray.isNotEmpty(): Boolean

fun FloatArray.isNotEmpty(): Boolean

fun DoubleArray.isNotEmpty(): Boolean

fun BooleanArray.isNotEmpty(): Boolean

fun CharArray.isNotEmpty(): Boolean

Returns true if the array is not empty.

fun <T> Collection<T>.isNotEmpty(): Boolean

Returns true if the collection is not empty.

import kotlin.test.*

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

val collection = listOf('a', 'b', 'c')
println("collection.isNotEmpty() is ${collection.isNotEmpty()}") // true
//sampleEnd
}

fun <K, V> Map<out K, V>.isNotEmpty(): Boolean

Returns true if this map is not empty.