standard library: added isEmpty/isNotEmpty functions for primitive arrays

libraries/tools/kotlin-stdlib-gen/src/templates/Arrays.kt

@@ -0,0 +1,29 @@
+package templates
+
+import templates.Family.*
+
+fun arrays(): List<GenericFunction> {
+    val templates = iterables()
+
+    templates add f("isEmpty()") {
+        absentFor(Arrays)
+        isInline = false
+        doc = "Returns true if the array is empty"
+        returns("Boolean")
+        body {
+            "return size == 0"
+        }
+    }
+
+    templates add f("isNotEmpty()") {
+        absentFor(Arrays)
+        isInline = false
+        doc = "Returns true if the array is empty"
+        returns("Boolean")
+        body {
+            "return !isEmpty()"
+        }
+    }
+
+    return templates.sort()
+}