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#include <iostream>
using namespace std;
 
struct Cat
{
	static void play(int value)
	{
		std::cout << "cat plays with int " << value;
	}
 
	static void play(std::string value)
	{
		std::cout << "cat plays with string " << value;
	}
};
 
struct Dog
{
	static void play(Dog &value)
	{
		std::cout << "cat plays with dog";
	}
};
 
int main() {
	// your code goes here
	Cat cat;
	Dog dog;
	//cat.play(1);
	cat.play(dog);
	return 0;
}

prog.cpp: In function ‘int main()’:
prog.cpp:30:14: error: no matching function for call to ‘Cat::play(Dog&)’
  cat.play(dog);
              ^
prog.cpp:6:14: note: candidate: static void Cat::play(int)
  static void play(int value)
              ^~~~
prog.cpp:6:14: note:   no known conversion for argument 1 from ‘Dog’ to ‘int’
prog.cpp:11:14: note: candidate: static void Cat::play(std::__cxx11::string)
  static void play(std::string value)
              ^~~~
prog.cpp:11:14: note:   no known conversion for argument 1 from ‘Dog’ to ‘std::__cxx11::string {aka std::__cxx11::basic_string<char>}’

Standard output is empty