diff --git a/src/xtd.core/include/xtd/array.hpp b/src/xtd.core/include/xtd/array.hpp
index 003f68d05eb..09c64186a98 100644
--- a/src/xtd.core/include/xtd/array.hpp
+++ b/src/xtd.core/include/xtd/array.hpp
@@ -9,6 +9,7 @@
 #include "collections/generic/enumerator.hpp"
 #include "collections/generic/icomparer.hpp"
 #include "collections/generic/ilist.hpp"
+#include "collections/generic/extensions/enumerable.hpp"
 #include "abstract.hpp"
 #include "core_export.hpp"
 #include "int64.hpp"
diff --git a/src/xtd.core/include/xtd/basic_array.hpp b/src/xtd.core/include/xtd/basic_array.hpp
index 4ffe92457db..f20b3e7b491 100644
--- a/src/xtd.core/include/xtd/basic_array.hpp
+++ b/src/xtd.core/include/xtd/basic_array.hpp
@@ -24,7 +24,7 @@ namespace xtd {
   /// xtd.core
   /// @ingroup xtd_core system
   template<typename type_t, typename allocator_t = xtd::collections::generic::helpers::allocator<typename std::conditional<std::is_same<bool, type_t>::value, char, type_t>::type>>
-  class basic_array : public xtd::array_abstract_object, public xtd::collections::generic::ilist<type_t>, public xtd::iequatable<basic_array<type_t, allocator_t>> {
+  class basic_array : public xtd::array_abstract_object, public xtd::collections::generic::extensions::enumerable<basic_array<type_t, allocator_t>, type_t>, public xtd::collections::generic::ilist<type_t>, public xtd::iequatable<basic_array<type_t, allocator_t>> {
     class comparer {
     public:
       comparer(const xtd::collections::generic::icomparer<type_t>* comparer) : comparer_(comparer) { }
diff --git a/src/xtd.core/include/xtd/collections/generic/list.hpp b/src/xtd.core/include/xtd/collections/generic/list.hpp
index b35a77d30d0..f84700a9bb4 100644
--- a/src/xtd.core/include/xtd/collections/generic/list.hpp
+++ b/src/xtd.core/include/xtd/collections/generic/list.hpp
@@ -2,6 +2,7 @@
 /// @brief Contains xtd::collections::generic::list struct.
 /// @copyright Copyright (c) 2024 Gammasoft. All rights reserved.
 #pragma once
+#include "extensions/enumerable.hpp"
 #include "helpers/allocator.hpp"
 #include "ilist.hpp"
 #include "../object_model/read_only_collection.hpp"
@@ -68,7 +69,7 @@ namespace xtd {
       /// Finally, the xtd::collections::generic::list::clear method is used to remove all items from the list, and the xtd::collections::generic::list::capacity and xtd::collections::generic::list::count properties are displayed.
       /// @include generic_list2.cpp
       template<typename type_t, typename allocator_t = xtd::collections::generic::helpers::allocator<typename std::conditional<std::is_same<bool, type_t>::value, char, type_t>::type>>
-      class list : public xtd::object, public xtd::collections::generic::ilist<type_t>, public xtd::iequatable<xtd::collections::generic::list<type_t, allocator_t>> {
+      class list : public xtd::object, public xtd::collections::generic::extensions::enumerable<list<type_t, allocator_t>, type_t>, public xtd::collections::generic::ilist<type_t>, public xtd::iequatable<xtd::collections::generic::list<type_t, allocator_t>> {
       public:
         /// @name Public Aliases