「🎉」 init: hello world !

ex02/Base.cpp

@@ -0,0 +1,66 @@
+#include "Base.hpp"
+#include <cstdlib>
+#include <iostream>
+
+Base *generate(void)
+{
+	std::srand(time(0));
+
+	switch (std::rand() % 3) {
+	case 0:
+		std::cout << "A class generated :D" << std::endl;
+		return new A;
+	case 1:
+		std::cout << "B class generated :D" << std::endl;
+		return new B;
+	case 2:
+		std::cout << "C class generated :D" << std::endl;
+		return new C;
+	};
+	return new A;
+}
+
+void identify(Base *p)
+{
+	if (dynamic_cast<A *>(p))
+	{
+		std::cout << "omg it's an A object !" << std::endl;
+		return;
+	}
+	if (dynamic_cast<B *>(p))
+	{
+		std::cout << "omg it's a B object !" << std::endl;
+		return;
+	}
+	if (dynamic_cast<C *>(p))
+	{
+		std::cout << "omg it's a C object !" << std::endl;
+		return;
+	}
+	std::cout << "what is this D:" << std::endl;
+}
+
+void identify(Base &p)
+{
+	try {
+		(void)dynamic_cast<A &>(p);
+		std::cout << "omg it's an A object !" << std::endl;
+		return;
+	}
+	catch (...) {}
+	try {
+		(void)dynamic_cast<B &>(p);
+		std::cout << "omg it's an B object !" << std::endl;
+		return;
+	}
+	catch (...) {}
+	try {
+		(void)dynamic_cast<C &>(p);
+		std::cout << "omg it's an C object !" << std::endl;
+		return;
+	}
+	catch (...) {}
+	std::cout << "what is this D:" << std::endl;
+}
+
+Base::~Base(void) {}