Add isNullOrEmpty() to Array, Collection, and Map. Fixes KT-23279

libraries/stdlib/src/kotlin/collections/Arrays.kt

@@ -37,3 +37,9 @@ public fun <T, R> Array<out Pair<T, R>>.unzip(): Pair<List<T>, List<R>> {
     }
     return listT to listR
 }
+
+/**
+ * Returns `true` if this array is null or empty.
+ * @sample samples.collections.Arrays.Usage.arrayIsNullOrEmpty
+ */
+public fun Array<*>?.isNullOrEmpty(): Boolean = this == null || this.isEmpty()

libraries/stdlib/src/kotlin/collections/Maps.kt

@@ -140,6 +140,10 @@ private const val INT_MAX_POWER_OF_TWO: Int = Int.MAX_VALUE / 2 + 1
 @kotlin.internal.InlineOnly
 public inline fun <K, V> Map<out K, V>.isNotEmpty(): Boolean = !isEmpty()
 
+/** Returns `true` if this map is null or empty. */
+@kotlin.internal.InlineOnly
+public inline fun <K, V> Map<out K, V>?.isNullOrEmpty(): Boolean = this == null || isEmpty()
+
 /**
  * Returns the [Map] if its not `null`, or the empty [Map] otherwise.
  */