studi-c

## main.cpp
#include <iostream>

struct A {};

std::string to_string(const A&)
{
    return "I am a A!";
}

// Type B with a serialize method.
	#include <iostream>

	struct A {};

	std::string to_string(const A&)
	{
	return "I am a A!";
	}

	// Type B with a serialize method.