From 6b4d761818b79a6fc17607e15d939154b4d8314f Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal@nekernel.org>
Date: Mon, 15 Dec 2025 11:22:55 +0100
Subject: feat: New Nullable system, and improved Vettable system.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
---
 src/kernel/NeKit/Nullable.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 src/kernel/NeKit/Nullable.h

(limited to 'src/kernel/NeKit/Nullable.h')

diff --git a/src/kernel/NeKit/Nullable.h b/src/kernel/NeKit/Nullable.h
new file mode 100644
index 00000000..c17009fc
--- /dev/null
+++ b/src/kernel/NeKit/Nullable.h
@@ -0,0 +1,26 @@
+#ifndef __NE_KIT_NULLABLE_H__
+#define __NE_KIT_NULLABLE_H__
+
+#include <NeKit/Config.h>
+
+namespace Kernel {
+template <class Type>
+struct IsDefined final {
+  using ResultType    = Type;
+  using ResultTypeRef = Type&;
+
+  static constexpr bool kValue = true;
+};
+
+template <>
+struct IsDefined<nullPtr> final {
+  static constexpr bool kValue = false;
+};
+
+template <class Type>
+concept IsAcceptable = requires() {
+  { IsDefined<Type>::kValue };
+};
+}  // namespace Kernel
+
+#endif  // !__NE_KIT_NULLABLE_H__
\ No newline at end of file
-- 
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