// ------------------------
// PointersVsReferences.c++
// ------------------------

#include <cassert>  // assert
#include <iostream> // cout, endl

int main () {
    using namespace std;
    cout << "PointersVsReferences.c++" << endl;

    {
    int i = 2;
    int v = i;
    ++v;
    assert(i  == 2);
    assert(v  == 3);
    assert(&i != &v);
    }

    {
    int  j = 2;
    int* p = &j;
    ++*p;
    assert(j  == 3);
    assert(*p == 3);
    assert(p  == &j);
    }

    {
    int  k = 2;
    int& r = k;
    ++r;
    assert(k  == 3);
    assert(r  == 3);
    assert(&r == &k);
    }

    {
    int   l = 2;
    int*  p = &l;
    int*& r = p;
    ++*r;
    assert(l  == 3);
    assert(*p == 3);
    assert(*r == 3);
    assert(&r == &p);
    }

    cout << "Done." << endl;
    return 0;}