// Should I use a->b(), or a.b()?
//
// If a is a pointer, use: a->b()
// If a is an object, use: a.b()
//
// If a is a reference, then it’s an alias for something--use the
// rules for whatever it refers to.
//
// You can overload -> for objects--we’ll learn about that later.

#include <iostream>
#include <vector>

using namespace std;

int main() {
    vector<bool> v(42, true);	// v is a vector of bool
    vector<bool> *p = &v;	// p is a pointer to vector of bool
    vector<bool> &r = v;	// r is a reference to a vector of bool

    cout << v.size()    << ' '
//	 << *p.size()   << ' '		// This won’t compile
	 << (*p).size() << ' '
	 << p->size()   << ' '
	 << r.size()    << '\n';

    return 0;
}