From f998e016550b4aa70e822e841f9ebc01b3b8e4af Mon Sep 17 00:00:00 2001
From: "a.bozhenov" <ogoun@users.noreply.github.com>
Date: Wed, 9 Oct 2019 18:53:08 +0300
Subject: [PATCH] Update EnumerableExtensions.cs

---
 .../Extensions/EnumerableExtensions.cs        | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/ZeroLevel/Services/Extensions/EnumerableExtensions.cs b/ZeroLevel/Services/Extensions/EnumerableExtensions.cs
index 4acd2fc..bfb02b7 100644
--- a/ZeroLevel/Services/Extensions/EnumerableExtensions.cs
+++ b/ZeroLevel/Services/Extensions/EnumerableExtensions.cs
@@ -31,5 +31,25 @@ namespace ZeroLevel
         {
             return !IsEmpty(collection);
         }
+
+        public static IEnumerable<T> Batch<T>(this IEnumerator<T> source, int size)
+        {
+            yield return source.Current;
+            for (var i = 1; i < size && source.MoveNext(); i++)
+            {
+                yield return source.Current;
+            }
+        }
+
+        public static IEnumerable<IEnumerable<T>> Chunkify<T>(this IEnumerable<T> source, int size)
+        {
+            using (var enumerator = source.GetEnumerator())
+            {
+                while (enumerator.MoveNext())
+                {
+                    yield return Batch(enumerator, size);
+                }
+            }
+        }
     }
 }
\ No newline at end of file