#include <iostream>
 
// POD
struct foo1 {
    bool a = true;
    bool b;
 };
 
// not POD
struct foo2 {
	bool a = true;
	bool b;
	std::string c;
};
 
 
 int main()
 {
 	{
 		foo1 bar;
    	std::cout << "foo1: " << bar.a << " "<< bar.b << std::endl;
 	}
 	{
 		foo2 bar;
    	std::cout << "foo2: " << bar.a << " "<< bar.b << std::endl;
 	}
 	{
 		foo2 bar = {};
    	std::cout << "foo2 = {}: " << bar.a << " "<< bar.b << std::endl;
 	}
 
     return 0;
 }

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