feat! breaking changes on kernel sources.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/src/kernel/NeKit/Function.h b/src/kernel/NeKit/Function.h
new file mode 100644
index 00000000..70242bc3
--- /dev/null
+++ b/src/kernel/NeKit/Function.h
@@ -0,0 +1,51 @@
+/* ========================================
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#pragma once
+
+#include <NeKit/Defines.h>
+#include <NeKit/ErrorOr.h>
+
+namespace Kernel {
+/// ================================================================================
+/// @brief Function wrapper class.
+/// ================================================================================
+template <typename T, typename... Args>
+class Function final {
+ public:
+  Function() = default;
+
+ public:
+  explicit Function(T (*Fn)(Args... args)) : fFn(Fn) {}
+
+  ~Function() = default;
+
+  Function& operator=(const Function&) = default;
+  Function(const Function&)            = default;
+
+  template <typename... XArgs>
+  T operator()(Args&&... args) {
+    return fFn(args...);
+  }
+
+  template <typename... XArgs>
+  T Call(Args&&... args) {
+    return fFn(args...);
+  }
+
+  operator bool() { return fFn; }
+
+  bool operator!() { return !fFn; }
+
+ private:
+  T(*fFn)
+  (Args... args){nullptr};
+};
+
+template <typename T, typename... Args>
+using FunctionOr = ErrorOr<Function<T, Args...>>;
+}  // namespace Kernel
+