stdlib: Introduced Array<T>?.orEmpty() in JVM-stdlib

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

@@ -35,3 +35,6 @@ public fun ByteArray.toString(charset: Charset): String = String(this, charset)
 
 [Intrinsic("kotlin.collections.copyToArray")] public fun <reified T> Collection<T>.copyToArray(): Array<T> =
         throw UnsupportedOperationException()
+
+/** Returns the List if its not null otherwise returns the empty list */
+public inline fun <reified T> Array<T>?.orEmpty(): Array<T> = this ?: array<T>()

libraries/stdlib/test/collections/ArraysJVMTest.kt

@@ -197,4 +197,18 @@ class ArraysJVMTest {
         expect(3000000000000) { longArray(1000000000000, 2000000000000).sum() }
         expect(3.0.toFloat()) { floatArray(1.0.toFloat(), 2.0.toFloat()).sum() }
     }
+
+    test fun orEmptyNull() {
+        val x: Array<String>? = null
+        val xArray: Array<String> = x.orEmpty()
+        expect(0) { xArray.size }
+    }
+
+    test fun orEmptyNotNull() {
+        val x: Array<String>? = array("1", "2")
+        val xArray: Array<String> = x.orEmpty()
+        expect(2) { xArray.size }
+        expect("1") { xArray[0] }
+        expect("2") { xArray[1] }
+    }
 }