shortcut for iitem (#883)

* shortcut for iitem

* syntax guard

src/KubernetesClient.Models/IItems.cs

@@ -12,4 +12,12 @@ namespace k8s
         /// </summary>
         IList<T> Items { get; set; }
     }
+
+    public static class ItemsExt
+    {
+        public static IEnumerator<T> GetEnumerator<T>(this IItems<T> items)
+        {
+            return items.Items.GetEnumerator();
+        }
+    }
 }

tests/KubernetesClient.Tests/ItemsEnumTests.cs

@@ -0,0 +1,22 @@
+using Xunit;
+using k8s.Models;
+
+namespace k8s.Tests;
+
+public class ItemsEnumTests
+{
+    [Fact]
+    public void EnsureIItemsEnumerable()
+    {
+        var pods = new V1PodList
+        {
+            Items = new[] { new V1Pod() },
+        };
+
+        // ensure no sytax err
+        foreach (var pod in pods)
+        {
+            Assert.NotNull(pod);
+        }
+    }
+}