feat: `allocator_system` a better implementation and example added.

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

2 files changed, 59 insertions, 0 deletions

diff --git a/dev/examples/allocator_system/CMakeLists.txt b/dev/examples/allocator_system/CMakeLists.txt
new file mode 100644
index 0000000..ee19842
--- /dev/null
+++ b/dev/examples/allocator_system/CMakeLists.txt
@@ -0,0 +1,16 @@
+
+cmake_minimum_required(VERSION 3.15...3.31)
+
+project(
+	Alloc
+  VERSION 1.0
+  LANGUAGES CXX)
+
+find_package(Boost REQUIRED COMPONENTS container)
+
+add_executable(Alloc allocator_system.cc)
+
+target_link_libraries(Alloc PRIVATE Boost::container)
+
+set_property(TARGET Alloc PROPERTY CXX_STANDARD 20)
+target_include_directories(Alloc PUBLIC ../../)
diff --git a/dev/examples/allocator_system/allocator_system.cc b/dev/examples/allocator_system/allocator_system.cc
new file mode 100644
index 0000000..90248cd
--- /dev/null
+++ b/dev/examples/allocator_system/allocator_system.cc
@@ -0,0 +1,43 @@
+#include <lib/core/allocator_system.hpp>
+#include <iostream>
+
+struct MyClass
+{
+	int a;
+	std::string b;
+
+	MyClass() : a(0), b("default") 
+	{
+		std::cout << "MyClass() constructed\n";
+	}
+
+	MyClass(int x, std::string y) : a(x), b(std::move(y))
+	{
+		std::cout << "MyClass(int, string) constructed\n";
+	}
+
+	~MyClass()
+	{
+		std::cout << "~MyClass() destroyed\n";
+	}
+};
+
+int main()
+{
+	using Alloc = ocl::standard_allocator_type<MyClass>;
+	Alloc allocator;
+
+	// Test 1: claim() + unclaim()
+	std::cout << "=== Test 1: claim/unclaim ===\n";
+	MyClass* raw = allocator.claim();
+	std::cout << "raw->a = " << raw->a << ", raw->b = " << raw->b << "\n";
+	allocator.unclaim(raw); // Manual delete
+
+	// Test 2: construct() → shared_ptr
+	std::cout << "\n=== Test 2: construct (shared_ptr) ===\n";
+	auto ptr = allocator.construct<int, std::string>(42, "hello");
+	std::cout << "ptr->a = " << ptr->a << ", ptr->b = " << ptr->b << "\n";
+
+	// `shared_ptr` will automatically delete the object
+	std::cout << "\n=== End of main ===\n";
+}