1 files changed, 44 insertions, 0 deletions
diff --git a/doc/sources/c++/main.cpp b/doc/sources/c++/main.cpp
new file mode 100644
index 0000000..b8fb8cd
--- /dev/null
+++ b/doc/sources/c++/main.cpp
@@ -0,0 +1,44 @@
+#include "polygon.hpp"
+
+#include <iostream>
+#include <dlfcn.h>
+
+int main()
+{
+    using std::cout;
+    using std::cerr;
+
+    // load the triangle library
+    void* triangle = dlopen("./triangle.so", RTLD_LAZY);
+    
+    if (!triangle)
+    {
+        cerr << "Cannot load library: " << dlerror() << '\n';
+        return 1;
+    }
+
+    // load the symbols
+    create_t* create_triangle = (create_t*) dlsym(triangle, "create");
+    destroy_t* destroy_triangle = (destroy_t*) dlsym(triangle, "destroy");
+    
+    if (!create_triangle || !destroy_triangle)
+    {
+        cerr << "Cannot load symbols: " << dlerror() << '\n';
+        return 1;
+    }
+
+    // create an instance of the class
+    polygon* poly = create_triangle();
+
+    // use the class
+    poly->set_side_length(7);
+        cout << "The area is: " << poly->area() << '\n';
+
+    // destroy the class
+    destroy_triangle(poly);
+
+    // unload the triangle library
+    dlclose(triangle);
+    
+    return 0;
+}