Data oriented shared_ptr

#include <iostream>
#include <string>
#include <memory>

struct String {
	std::string s;
	String(std::string s)
		:s(s) {
		std::cout << "Constructor " << s << std::endl;
	}
	~String() {
		std::cout << "Destructor " << s << std::endl;
	}
};

struct Data {
	std::shared_ptr<String> s;
};

int main() {

	// initialize
	Data* d = static_cast<Data *>(malloc(sizeof(Data)));
	// empty the array
	memset(d, 0, sizeof(Data));

	// set value
	d->s = std::make_shared<String>("Hello world");

	// use
	std::cout << d->s->s << std::endl;

	// delete
	d->s.reset();
	free(d);
	return 0;
}