Difference between reference with const and without reference

[Arash_89]

Hello,

What's the differences between these?

#include <iostream>
#include<string>
using namespace std;

void Test(int const& i)
{
cout << i;
}
void Test2(int const i)
{
cout << i;
}
int main()
{
Test(10);

return 0;
}



Thanks

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