#include <iostream>

using namespace std;

template<typename T>
void func(const T&)
{
    cout << "const ref" << endl;
}

template<typename T>
void func(T&&)
{
    cout << "rval ref" << endl;
}

int main()
{
    char cArr[] = "no elo";
    func(cArr);
    return 0;
}