From 97d846f41e2bccf7957983c03d1fe9867b789efb Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal@nekernel.org>
Date: Thu, 5 Mar 2026 15:31:57 +0100
Subject: [FEAT] New Option 2 example, updated README, fixed crc_hash.hpp.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
---
 example/asio_example/CMakeLists.txt     |  5 ++++-
 example/option_2_example/CMakeLists.txt | 18 ++++++++++++++++++
 example/option_2_example/example.cpp    | 29 +++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 example/option_2_example/CMakeLists.txt
 create mode 100644 example/option_2_example/example.cpp

(limited to 'example')

diff --git a/example/asio_example/CMakeLists.txt b/example/asio_example/CMakeLists.txt
index 2efd470..64494b9 100644
--- a/example/asio_example/CMakeLists.txt
+++ b/example/asio_example/CMakeLists.txt
@@ -12,4 +12,7 @@ add_executable(AsioExample example.cpp)
 
 set_property(TARGET AsioExample PROPERTY CXX_STANDARD 20)
 target_include_directories(AsioExample PUBLIC ../../include/)
-# target_link_libraries(AsioExample PRIVATE Boost Core Asio)
+
+if (NOT DEFINED LINUX)
+target_link_libraries(AsioExample PRIVATE Boost Core Asio)
+endif ()
diff --git a/example/option_2_example/CMakeLists.txt b/example/option_2_example/CMakeLists.txt
new file mode 100644
index 0000000..b3e7dbd
--- /dev/null
+++ b/example/option_2_example/CMakeLists.txt
@@ -0,0 +1,18 @@
+
+cmake_minimum_required(VERSION 3.15...3.31)
+
+project(
+  OptionExample
+  VERSION 1.0
+  LANGUAGES CXX)
+
+find_package(Boost REQUIRED)
+
+add_executable(OptionExample example.cpp)
+
+set_property(TARGET OptionExample PROPERTY CXX_STANDARD 20)
+target_include_directories(OptionExample PUBLIC ../../include/)
+
+if (DEFINED LINUX)
+target_link_libraries(OptionExample PRIVATE Boost)
+endif ()
diff --git a/example/option_2_example/example.cpp b/example/option_2_example/example.cpp
new file mode 100644
index 0000000..0ac6dbd
--- /dev/null
+++ b/example/option_2_example/example.cpp
@@ -0,0 +1,29 @@
+// Copyright 2025-2026, Amlal El Mahrouss (amlal@nekernel.org)
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+// Official repository: https://github.com/ocl-foss-org/core
+
+#include <ocl/crc_hash.hpp>
+#include <ocl/print.hpp>
+#include <ocl/option.hpp>
+
+struct invalid_callable
+{
+	explicit invalid_callable() = default;
+	void operator()(const char* reason)
+	{
+		ocl::detail::throw_runtime_error();
+	}
+};
+
+/// \brief Option Monad example
+int main(int argc, char** argv)
+{
+	ocl::option opt{ocl::eval_eq(nullptr, nullptr)};
+	opt.expect("option::incorrect");
+
+	opt = ocl::option{ocl::eval_eq(argv, nullptr)};
+	opt.expect<invalid_callable>("option::incorrect");
+
+	return EXIT_SUCCESS;
+}
-- 
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