refactor: use shared library in fantastic example (#40)

CMakeLists.txt

@@ -9,8 +9,11 @@ set(CMAKE_CXX_EXTENSIONS        OFF)
 
 project(mdsanima VERSION 0.2.1)
 
-# Example demo programs
+# Example demo program
 add_executable(${PROJECT_NAME}-fantastic example/mdsanima-fantastic/main.cc)
+add_library(fantastic SHARED example/mdsanima-fantastic/lib.cc)
+target_link_libraries(${PROJECT_NAME}-fantastic fantastic)
+
 add_executable(${PROJECT_NAME}-incredible example/mdsanima-incredible/main.cpp)
 add_executable(${PROJECT_NAME}-stunning example/mdsanima-stunning/main.cxx)
 

example/mdsanima-fantastic/lib.cc

@@ -0,0 +1,10 @@
+// Copyright (c) 2024 MDSANIMA LAB. All rights reserved.
+// Licensed under the MIT license.
+
+// Simple C++ example demo of `FANTASTIC` shared library implementation.
+
+#include "lib.hh"
+
+#include <iostream>
+
+void mprint(const char* text) { std::cout << text << '\n'; }

example/mdsanima-fantastic/lib.hh

@@ -0,0 +1,13 @@
+// Copyright (c) 2024 MDSANIMA LAB. All rights reserved.
+// Licensed under the MIT license.
+
+// Simple C++ example demo of `FANTASTIC` shared library header file.
+
+#pragma once
+
+/**
+ * Simple text message printing implementation for the demo purpose only.
+ *
+ * @param text The text message to print in the terminal.
+ */
+void mprint(const char* text);

example/mdsanima-fantastic/main.cc

@@ -1,8 +1,11 @@
 // Copyright (c) 2024 MDSANIMA LAB. All rights reserved.
 // Licensed under the MIT license.
 
-// Simple C++ implementation of the example `MDSANIMA FANTASTIC` demo project.
+// The main program of `MDSANIMA FANTASTIC` example demo project.
 
-#include <iostream>
+#include "lib.hh"
 
-auto main() -> int { std::cout << "Hello World from the MDSANIMA FANTASTIC" << '\n'; }
+auto main() -> int {
+    const char* message = "Hello World from the MDSANIMA FANTASTIC";
+    mprint(message);
+}