temporaries and move constructor, C++ (gcc)

temporaries and move constructor

// Example program
#include <iostream>
#include <string>

class Movable
{
public:
	int x;

Movable(){
		std::cout << "Constructor ";
        std::cout <<"This = " << this <<std::endl;
	}
	Movable(Movable&& rhs)
	{
		std::cout << "Move ";
        std::cout <<"This = " << this <<std::endl;
	}
	Movable(const Movable& rhs)
	{
		std::cout << "copy ";
        std::cout <<"This = " << this <<std::endl;
	}
	const Movable& operator=(const Movable& r)
	{
		std::cout << "assignment ";
        std::cout <<"This = " << this <<std::endl;
		return *this;
        
	}
    ~Movable()
    {
        std::cout<<"dest ";
        std::cout <<"This = " << this <<std::endl;
    }
    void printMe(char* msg)
    {
        std::cout <<msg <<" this: " << this << std::endl;
    }
};

std::string returnStr()
{
	return "STR";
}

void fm(Movable&& tm)
{
	std::cout << tm.x;
	Movable s = tm;
}

Movable rf(int i)
{
	Movable lt;
    lt.printMe("[rf::lt]");
    return lt;
}

void f(Movable m)
{
    m.printMe("[f::me]");
	Movable t = m;
}
int main()
{
	int i = 8;
	//std::cin >> i;
    
        f(Movable{});
    
    std::cout<<"----------"<<std::endl;
    
        f(rf(i));
    
	return 0;
}


run \| edit \| history \| help	0