kotlin-stdlib / kotlin.collections / isEmpty isEmpty Common JVM JS Native 1.0 fun <T> Array<out T>.isEmpty(): Boolean(source) fun ByteArray.isEmpty(): Boolean(source) fun ShortArray.isEmpty(): Boolean(source) fun IntArray.isEmpty(): Boolean(source) fun LongArray.isEmpty(): Boolean(source) fun FloatArray.isEmpty(): Boolean(source) fun DoubleArray.isEmpty(): Boolean(source) fun BooleanArray.isEmpty(): Boolean(source) fun CharArray.isEmpty(): Boolean(source) Returns true if the array is empty.