#include <iostream>
using namespace std;
 
struct some_type {};
 
template<typename T>
void doSomething(T&& model)
{
	cout << "reference: " << &model << endl;
}
 
void test(some_type input_model, bool do_copy)
{
	cout << "original: " << &input_model << endl;
	if (do_copy)
		doSomething( some_type{input_model} ); // T = some_type&&
	else
		doSomething( input_model ); // T = some_type&
}
 
int main()
{
	test({}, true);
	test({}, false);
	return 0;
}

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